72178436

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{757}}^1$

素因数の和:980

約数の個数: 36

約数和(自身を含む): 139728204

約数和(自身を除く): 67549768

約数列:

[1, 2, 4, 11, 22, 44, 121, 197, 242, 394, 484, 757, 788, 1514, 2167, 3028, 4334, 8327, 8668, 16654, 23837, 33308, 47674, 91597, 95348, 149129, 183194, 298258, 366388, 596516, 1640419, 3280838, 6561676, 18044609, 36089218, 72178436]

約数ペア:

[(1, 72178436), (2, 36089218), (4, 18044609), (11, 6561676), (22, 3280838), (44, 1640419), (121, 596516), (197, 366388), (242, 298258), (394, 183194), (484, 149129), (757, 95348), (788, 91597), (1514, 47674), (2167, 33308), (3028, 23837), (4334, 16654), (8327, 8668)]