491144975

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{1669}}^1$

素因数の和:1907

約数の個数: 24

約数和(自身を含む): 621240000

約数和(自身を除く): 130095025

約数列:

[1, 5, 25, 79, 149, 395, 745, 1669, 1975, 3725, 8345, 11771, 41725, 58855, 131851, 248681, 294275, 659255, 1243405, 3296275, 6217025, 19645799, 98228995, 491144975]

約数ペア:

[(1, 491144975), (5, 98228995), (25, 19645799), (79, 6217025), (149, 3296275), (395, 1243405), (745, 659255), (1669, 294275), (1975, 248681), (3725, 131851), (8345, 58855), (11771, 41725)]