7872228

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 25683840

約数和(自身を除く): 17811612

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 89, 91, 108, 117, 126, 156, 162, 178, 182, 189, 234, 243, 252, 267, 273, 324, 351, 356, 364, 378, 468, 486, 534, 546, 567, 623, 702, 756, 801, 819, 972, 1053, 1068, 1092, 1134, 1157, 1246, 1404, 1602, 1638, 1701, 1869, 2106, 2268, 2314, 2403, 2457, 2492, 3159, 3204, 3276, 3402, 3471, 3738, 4212, 4628, 4806, 4914, 5607, 6318, 6804, 6942, 7209, 7371, 7476, 8099, 9612, 9828, 10413, 11214, 12636, 13884, 14418, 14742, 16198, 16821, 20826, 21627, 22113, 22428, 24297, 28836, 29484, 31239, 32396, 33642, 41652, 43254, 44226, 48594, 50463, 62478, 67284, 72891, 86508, 88452, 93717, 97188, 100926, 124956, 145782, 151389, 187434, 201852, 218673, 281151, 291564, 302778, 374868, 437346, 562302, 605556, 656019, 874692, 1124604, 1312038, 1968057, 2624076, 3936114, 7872228]

約数ペア:

[(1, 7872228), (2, 3936114), (3, 2624076), (4, 1968057), (6, 1312038), (7, 1124604), (9, 874692), (12, 656019), (13, 605556), (14, 562302), (18, 437346), (21, 374868), (26, 302778), (27, 291564), (28, 281151), (36, 218673), (39, 201852), (42, 187434), (52, 151389), (54, 145782), (63, 124956), (78, 100926), (81, 97188), (84, 93717), (89, 88452), (91, 86508), (108, 72891), (117, 67284), (126, 62478), (156, 50463), (162, 48594), (178, 44226), (182, 43254), (189, 41652), (234, 33642), (243, 32396), (252, 31239), (267, 29484), (273, 28836), (324, 24297), (351, 22428), (356, 22113), (364, 21627), (378, 20826), (468, 16821), (486, 16198), (534, 14742), (546, 14418), (567, 13884), (623, 12636), (702, 11214), (756, 10413), (801, 9828), (819, 9612), (972, 8099), (1053, 7476), (1068, 7371), (1092, 7209), (1134, 6942), (1157, 6804), (1246, 6318), (1404, 5607), (1602, 4914), (1638, 4806), (1701, 4628), (1869, 4212), (2106, 3738), (2268, 3471), (2314, 3402), (2403, 3276), (2457, 3204), (2492, 3159)]