31730225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:569

約数の個数: 24

約数和(自身を含む): 41455680

約数和(自身を除く): 9725455

約数列:

[1, 5, 23, 25, 115, 139, 397, 575, 695, 1985, 3197, 3475, 9131, 9925, 15985, 45655, 55183, 79925, 228275, 275915, 1269209, 1379575, 6346045, 31730225]

約数ペア:

[(1, 31730225), (5, 6346045), (23, 1379575), (25, 1269209), (115, 275915), (139, 228275), (397, 79925), (575, 55183), (695, 45655), (1985, 15985), (3197, 9925), (3475, 9131)]