72811730

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1\times {\mathrm{317}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 133346304

約数和(自身を除く): 60534574

約数列:

[1, 2, 5, 10, 103, 206, 223, 317, 446, 515, 634, 1030, 1115, 1585, 2230, 3170, 22969, 32651, 45938, 65302, 70691, 114845, 141382, 163255, 229690, 326510, 353455, 706910, 7281173, 14562346, 36405865, 72811730]

約数ペア:

[(1, 72811730), (2, 36405865), (5, 14562346), (10, 7281173), (103, 706910), (206, 353455), (223, 326510), (317, 229690), (446, 163255), (515, 141382), (634, 114845), (1030, 70691), (1115, 65302), (1585, 45938), (2230, 32651), (3170, 22969)]