659119696

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{2141}}^1$

素因数の和:2491

約数の個数: 40

約数和(自身を含む): 1300416768

約数和(自身を除く): 641297072

約数列:

[1, 2, 4, 8, 16, 71, 142, 271, 284, 542, 568, 1084, 1136, 2141, 2168, 4282, 4336, 8564, 17128, 19241, 34256, 38482, 76964, 152011, 153928, 304022, 307856, 580211, 608044, 1160422, 1216088, 2320844, 2432176, 4641688, 9283376, 41194981, 82389962, 164779924, 329559848, 659119696]

約数ペア:

[(1, 659119696), (2, 329559848), (4, 164779924), (8, 82389962), (16, 41194981), (71, 9283376), (142, 4641688), (271, 2432176), (284, 2320844), (542, 1216088), (568, 1160422), (1084, 608044), (1136, 580211), (2141, 307856), (2168, 304022), (4282, 153928), (4336, 152011), (8564, 76964), (17128, 38482), (19241, 34256)]