78740156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{4271}}^1$

素因数の和:4705

約数の個数: 24

約数和(自身を含む): 150716160

約数和(自身を除く): 71976004

約数列:

[1, 2, 4, 11, 22, 44, 419, 838, 1676, 4271, 4609, 8542, 9218, 17084, 18436, 46981, 93962, 187924, 1789549, 3579098, 7158196, 19685039, 39370078, 78740156]

約数ペア:

[(1, 78740156), (2, 39370078), (4, 19685039), (11, 7158196), (22, 3579098), (44, 1789549), (419, 187924), (838, 93962), (1676, 46981), (4271, 18436), (4609, 17084), (8542, 9218)]