72864575

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 110516736

約数和(自身を除く): 37652161

約数列:

[1, 5, 7, 23, 25, 35, 43, 115, 161, 175, 215, 301, 421, 575, 805, 989, 1075, 1505, 2105, 2947, 4025, 4945, 6923, 7525, 9683, 10525, 14735, 18103, 24725, 34615, 48415, 67781, 73675, 90515, 126721, 173075, 242075, 338905, 416369, 452575, 633605, 1694525, 2081845, 2914583, 3168025, 10409225, 14572915, 72864575]

約数ペア:

[(1, 72864575), (5, 14572915), (7, 10409225), (23, 3168025), (25, 2914583), (35, 2081845), (43, 1694525), (115, 633605), (161, 452575), (175, 416369), (215, 338905), (301, 242075), (421, 173075), (575, 126721), (805, 90515), (989, 73675), (1075, 67781), (1505, 48415), (2105, 34615), (2947, 24725), (4025, 18103), (4945, 14735), (6923, 10525), (7525, 9683)]