31031980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{221657}}^1$

素因数の和:221673

約数の個数: 24

約数和(自身を含む): 74477088

約数和(自身を除く): 43445108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 221657, 443314, 886628, 1108285, 1551599, 2216570, 3103198, 4433140, 6206396, 7757995, 15515990, 31031980]

約数ペア:

[(1, 31031980), (2, 15515990), (4, 7757995), (5, 6206396), (7, 4433140), (10, 3103198), (14, 2216570), (20, 1551599), (28, 1108285), (35, 886628), (70, 443314), (140, 221657)]