91087780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{650627}}^1$

素因数の和:650643

約数の個数: 24

約数和(自身を含む): 218611008

約数和(自身を除く): 127523228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 650627, 1301254, 2602508, 3253135, 4554389, 6506270, 9108778, 13012540, 18217556, 22771945, 45543890, 91087780]

約数ペア:

[(1, 91087780), (2, 45543890), (4, 22771945), (5, 18217556), (7, 13012540), (10, 9108778), (14, 6506270), (20, 4554389), (28, 3253135), (35, 2602508), (70, 1301254), (140, 650627)]