1991862144

素因数分解:

$2^7\times 3^3\times {\mathrm{37}}^2\times {\mathrm{421}}^1$

素因数の和:518

約数の個数: 192

約数和(自身を含む): 6056290800

約数和(自身を除く): 4064428656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 37, 48, 54, 64, 72, 74, 96, 108, 111, 128, 144, 148, 192, 216, 222, 288, 296, 333, 384, 421, 432, 444, 576, 592, 666, 842, 864, 888, 999, 1152, 1184, 1263, 1332, 1369, 1684, 1728, 1776, 1998, 2368, 2526, 2664, 2738, 3368, 3456, 3552, 3789, 3996, 4107, 4736, 5052, 5328, 5476, 6736, 7104, 7578, 7992, 8214, 10104, 10656, 10952, 11367, 12321, 13472, 14208, 15156, 15577, 15984, 16428, 20208, 21312, 21904, 22734, 24642, 26944, 30312, 31154, 31968, 32856, 36963, 40416, 42624, 43808, 45468, 46731, 49284, 53888, 60624, 62308, 63936, 65712, 73926, 80832, 87616, 90936, 93462, 98568, 121248, 124616, 127872, 131424, 140193, 147852, 161664, 175232, 181872, 186924, 197136, 242496, 249232, 262848, 280386, 295704, 363744, 373848, 394272, 420579, 484992, 498464, 525696, 560772, 576349, 591408, 727488, 747696, 788544, 841158, 996928, 1121544, 1152698, 1182816, 1454976, 1495392, 1577088, 1682316, 1729047, 1993856, 2243088, 2305396, 2365632, 2990784, 3364632, 3458094, 4486176, 4610792, 4731264, 5187141, 5981568, 6729264, 6916188, 8972352, 9221584, 10374282, 13458528, 13832376, 15561423, 17944704, 18443168, 20748564, 26917056, 27664752, 31122846, 36886336, 41497128, 53834112, 55329504, 62245692, 73772672, 82994256, 110659008, 124491384, 165988512, 221318016, 248982768, 331977024, 497965536, 663954048, 995931072, 1991862144]

約数ペア:

[(1, 1991862144), (2, 995931072), (3, 663954048), (4, 497965536), (6, 331977024), (8, 248982768), (9, 221318016), (12, 165988512), (16, 124491384), (18, 110659008), (24, 82994256), (27, 73772672), (32, 62245692), (36, 55329504), (37, 53834112), (48, 41497128), (54, 36886336), (64, 31122846), (72, 27664752), (74, 26917056), (96, 20748564), (108, 18443168), (111, 17944704), (128, 15561423), (144, 13832376), (148, 13458528), (192, 10374282), (216, 9221584), (222, 8972352), (288, 6916188), (296, 6729264), (333, 5981568), (384, 5187141), (421, 4731264), (432, 4610792), (444, 4486176), (576, 3458094), (592, 3364632), (666, 2990784), (842, 2365632), (864, 2305396), (888, 2243088), (999, 1993856), (1152, 1729047), (1184, 1682316), (1263, 1577088), (1332, 1495392), (1369, 1454976), (1684, 1182816), (1728, 1152698), (1776, 1121544), (1998, 996928), (2368, 841158), (2526, 788544), (2664, 747696), (2738, 727488), (3368, 591408), (3456, 576349), (3552, 560772), (3789, 525696), (3996, 498464), (4107, 484992), (4736, 420579), (5052, 394272), (5328, 373848), (5476, 363744), (6736, 295704), (7104, 280386), (7578, 262848), (7992, 249232), (8214, 242496), (10104, 197136), (10656, 186924), (10952, 181872), (11367, 175232), (12321, 161664), (13472, 147852), (14208, 140193), (15156, 131424), (15577, 127872), (15984, 124616), (16428, 121248), (20208, 98568), (21312, 93462), (21904, 90936), (22734, 87616), (24642, 80832), (26944, 73926), (30312, 65712), (31154, 63936), (31968, 62308), (32856, 60624), (36963, 53888), (40416, 49284), (42624, 46731), (43808, 45468)]