620253608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1279}}^1\times {\mathrm{4663}}^1$

素因数の和:5961

約数の個数: 32

約数和(自身を含む): 1253683200

約数和(自身を除く): 633429592

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1279, 2558, 4663, 5116, 9326, 10232, 16627, 18652, 33254, 37304, 60619, 66508, 121238, 133016, 242476, 484952, 5963977, 11927954, 23855908, 47711816, 77531701, 155063402, 310126804, 620253608]

約数ペア:

[(1, 620253608), (2, 310126804), (4, 155063402), (8, 77531701), (13, 47711816), (26, 23855908), (52, 11927954), (104, 5963977), (1279, 484952), (2558, 242476), (4663, 133016), (5116, 121238), (9326, 66508), (10232, 60619), (16627, 37304), (18652, 33254)]