81169390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{1301}}^1$

素因数の和:1692

約数の個数: 32

約数和(自身を含む): 155240064

約数和(自身を除く): 74070674

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 367, 734, 1301, 1835, 2602, 3670, 6239, 6505, 12478, 13010, 22117, 31195, 44234, 62390, 110585, 221170, 477467, 954934, 2387335, 4774670, 8116939, 16233878, 40584695, 81169390]

約数ペア:

[(1, 81169390), (2, 40584695), (5, 16233878), (10, 8116939), (17, 4774670), (34, 2387335), (85, 954934), (170, 477467), (367, 221170), (734, 110585), (1301, 62390), (1835, 44234), (2602, 31195), (3670, 22117), (6239, 13010), (6505, 12478)]