161587910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{7691}}^1$

素因数の和:7900

約数の個数: 32

約数和(自身を含む): 319002624

約数和(自身を除く): 157414714

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191, 382, 955, 1910, 2101, 4202, 7691, 10505, 15382, 21010, 38455, 76910, 84601, 169202, 423005, 846010, 1468981, 2937962, 7344905, 14689810, 16158791, 32317582, 80793955, 161587910]

約数ペア:

[(1, 161587910), (2, 80793955), (5, 32317582), (10, 16158791), (11, 14689810), (22, 7344905), (55, 2937962), (110, 1468981), (191, 846010), (382, 423005), (955, 169202), (1910, 84601), (2101, 76910), (4202, 38455), (7691, 21010), (10505, 15382)]