31214425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{509}}^1$

素因数の和:753

約数の個数: 24

約数和(自身を含む): 42497280

約数和(自身を除く): 11282855

約数列:

[1, 5, 11, 25, 55, 223, 275, 509, 1115, 2453, 2545, 5575, 5599, 12265, 12725, 27995, 61325, 113507, 139975, 567535, 1248577, 2837675, 6242885, 31214425]

約数ペア:

[(1, 31214425), (5, 6242885), (11, 2837675), (25, 1248577), (55, 567535), (223, 139975), (275, 113507), (509, 61325), (1115, 27995), (2453, 12725), (2545, 12265), (5575, 5599)]