56657615

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 81346560

約数和(自身を除く): 24688945

約数列:

[1, 5, 7, 31, 35, 79, 155, 217, 395, 553, 661, 1085, 2449, 2765, 3305, 4627, 12245, 17143, 20491, 23135, 52219, 85715, 102455, 143437, 261095, 365533, 717185, 1618789, 1827665, 8093945, 11331523, 56657615]

約数ペア:

[(1, 56657615), (5, 11331523), (7, 8093945), (31, 1827665), (35, 1618789), (79, 717185), (155, 365533), (217, 261095), (395, 143437), (553, 102455), (661, 85715), (1085, 52219), (2449, 23135), (2765, 20491), (3305, 17143), (4627, 12245)]