221880981505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{4090349}}^1$

素因数の和:4090944

約数の個数: 16

約数和(自身を含む): 280761624000

約数和(自身を除く): 58880642495

約数列:

[1, 5, 19, 95, 571, 2855, 10849, 54245, 4090349, 20451745, 77716631, 388583155, 2335589279, 11677946395, 44376196301, 221880981505]

約数ペア:

[(1, 221880981505), (5, 44376196301), (19, 11677946395), (95, 2335589279), (571, 388583155), (2855, 77716631), (10849, 20451745), (54245, 4090349)]