72457508

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{1993}}^1$

素因数の和:2207

約数の個数: 24

約数和(自身を含む): 129809400

約数和(自身を除く): 57351892

約数列:

[1, 2, 4, 61, 122, 149, 244, 298, 596, 1993, 3986, 7972, 9089, 18178, 36356, 121573, 243146, 296957, 486292, 593914, 1187828, 18114377, 36228754, 72457508]

約数ペア:

[(1, 72457508), (2, 36228754), (4, 18114377), (61, 1187828), (122, 593914), (149, 486292), (244, 296957), (298, 243146), (596, 121573), (1993, 36356), (3986, 18178), (7972, 9089)]