251681808

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:453

約数の個数: 160

約数和(自身を含む): 779886592

約数和(自身を除く): 528204784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 56, 62, 73, 84, 93, 112, 124, 146, 168, 186, 217, 219, 248, 292, 331, 336, 372, 434, 438, 496, 511, 584, 651, 662, 744, 868, 876, 993, 1022, 1168, 1302, 1324, 1488, 1533, 1736, 1752, 1986, 2044, 2263, 2317, 2604, 2648, 3066, 3472, 3504, 3972, 4088, 4526, 4634, 5208, 5296, 6132, 6789, 6951, 7944, 8176, 9052, 9268, 10261, 10416, 12264, 13578, 13902, 15841, 15888, 18104, 18536, 20522, 24163, 24528, 27156, 27804, 30783, 31682, 36208, 37072, 41044, 47523, 48326, 54312, 55608, 61566, 63364, 71827, 72489, 82088, 95046, 96652, 108624, 111216, 123132, 126728, 143654, 144978, 164176, 169141, 190092, 193304, 215481, 246264, 253456, 287308, 289956, 338282, 380184, 386608, 430962, 492528, 507423, 574616, 579912, 676564, 749053, 760368, 861924, 1014846, 1149232, 1159824, 1353128, 1498106, 1723848, 2029692, 2247159, 2706256, 2996212, 3447696, 4059384, 4494318, 5243371, 5992424, 8118768, 8988636, 10486742, 11984848, 15730113, 17977272, 20973484, 31460226, 35954544, 41946968, 62920452, 83893936, 125840904, 251681808]

約数ペア:

[(1, 251681808), (2, 125840904), (3, 83893936), (4, 62920452), (6, 41946968), (7, 35954544), (8, 31460226), (12, 20973484), (14, 17977272), (16, 15730113), (21, 11984848), (24, 10486742), (28, 8988636), (31, 8118768), (42, 5992424), (48, 5243371), (56, 4494318), (62, 4059384), (73, 3447696), (84, 2996212), (93, 2706256), (112, 2247159), (124, 2029692), (146, 1723848), (168, 1498106), (186, 1353128), (217, 1159824), (219, 1149232), (248, 1014846), (292, 861924), (331, 760368), (336, 749053), (372, 676564), (434, 579912), (438, 574616), (496, 507423), (511, 492528), (584, 430962), (651, 386608), (662, 380184), (744, 338282), (868, 289956), (876, 287308), (993, 253456), (1022, 246264), (1168, 215481), (1302, 193304), (1324, 190092), (1488, 169141), (1533, 164176), (1736, 144978), (1752, 143654), (1986, 126728), (2044, 123132), (2263, 111216), (2317, 108624), (2604, 96652), (2648, 95046), (3066, 82088), (3472, 72489), (3504, 71827), (3972, 63364), (4088, 61566), (4526, 55608), (4634, 54312), (5208, 48326), (5296, 47523), (6132, 41044), (6789, 37072), (6951, 36208), (7944, 31682), (8176, 30783), (9052, 27804), (9268, 27156), (10261, 24528), (10416, 24163), (12264, 20522), (13578, 18536), (13902, 18104), (15841, 15888)]