81322730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{6553}}^1$

素因数の和:6650

約数の個数: 32

約数和(自身を含む): 157138704

約数和(自身を除く): 75815974

約数列:

[1, 2, 5, 10, 17, 34, 73, 85, 146, 170, 365, 730, 1241, 2482, 6205, 6553, 12410, 13106, 32765, 65530, 111401, 222802, 478369, 557005, 956738, 1114010, 2391845, 4783690, 8132273, 16264546, 40661365, 81322730]

約数ペア:

[(1, 81322730), (2, 40661365), (5, 16264546), (10, 8132273), (17, 4783690), (34, 2391845), (73, 1114010), (85, 956738), (146, 557005), (170, 478369), (365, 222802), (730, 111401), (1241, 65530), (2482, 32765), (6205, 13106), (6553, 12410)]