1780451608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1\times {\mathrm{827}}^1$

素因数の和:1136

約数の個数: 64

約数和(自身を含む): 3650088960

約数和(自身を除く): 1869637352

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 163, 254, 326, 508, 652, 827, 1016, 1304, 1651, 1654, 2119, 3302, 3308, 4238, 6604, 6616, 8476, 10751, 13208, 16952, 20701, 21502, 41402, 43004, 82804, 86008, 105029, 134801, 165608, 210058, 269113, 269602, 420116, 538226, 539204, 840232, 1076452, 1078408, 1365377, 1752413, 2152904, 2730754, 3504826, 5461508, 7009652, 10923016, 14019304, 17119727, 34239454, 68478908, 136957816, 222556451, 445112902, 890225804, 1780451608]

約数ペア:

[(1, 1780451608), (2, 890225804), (4, 445112902), (8, 222556451), (13, 136957816), (26, 68478908), (52, 34239454), (104, 17119727), (127, 14019304), (163, 10923016), (254, 7009652), (326, 5461508), (508, 3504826), (652, 2730754), (827, 2152904), (1016, 1752413), (1304, 1365377), (1651, 1078408), (1654, 1076452), (2119, 840232), (3302, 539204), (3308, 538226), (4238, 420116), (6604, 269602), (6616, 269113), (8476, 210058), (10751, 165608), (13208, 134801), (16952, 105029), (20701, 86008), (21502, 82804), (41402, 43004)]