256848696

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2003}}^1$

素因数の和:2165

約数の個数: 96

約数和(自身を含む): 754986960

約数和(自身を除く): 498138264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 137, 156, 234, 274, 312, 411, 468, 548, 822, 936, 1096, 1233, 1644, 1781, 2003, 2466, 3288, 3562, 4006, 4932, 5343, 6009, 7124, 8012, 9864, 10686, 12018, 14248, 16024, 16029, 18027, 21372, 24036, 26039, 32058, 36054, 42744, 48072, 52078, 64116, 72108, 78117, 104156, 128232, 144216, 156234, 208312, 234351, 274411, 312468, 468702, 548822, 624936, 823233, 937404, 1097644, 1646466, 1874808, 2195288, 2469699, 3292932, 3567343, 4939398, 6585864, 7134686, 9878796, 10702029, 14269372, 19757592, 21404058, 28538744, 32106087, 42808116, 64212174, 85616232, 128424348, 256848696]

約数ペア:

[(1, 256848696), (2, 128424348), (3, 85616232), (4, 64212174), (6, 42808116), (8, 32106087), (9, 28538744), (12, 21404058), (13, 19757592), (18, 14269372), (24, 10702029), (26, 9878796), (36, 7134686), (39, 6585864), (52, 4939398), (72, 3567343), (78, 3292932), (104, 2469699), (117, 2195288), (137, 1874808), (156, 1646466), (234, 1097644), (274, 937404), (312, 823233), (411, 624936), (468, 548822), (548, 468702), (822, 312468), (936, 274411), (1096, 234351), (1233, 208312), (1644, 156234), (1781, 144216), (2003, 128232), (2466, 104156), (3288, 78117), (3562, 72108), (4006, 64116), (4932, 52078), (5343, 48072), (6009, 42744), (7124, 36054), (8012, 32058), (9864, 26039), (10686, 24036), (12018, 21372), (14248, 18027), (16024, 16029)]