68279309

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{3259}}^1$

素因数の和:3380

約数の個数: 16

約数和(自身を含む): 81056640

約数和(自身を除く): 12777331

約数列:

[1, 7, 41, 73, 287, 511, 2993, 3259, 20951, 22813, 133619, 237907, 935333, 1665349, 9754187, 68279309]

約数ペア:

[(1, 68279309), (7, 9754187), (41, 1665349), (73, 935333), (287, 237907), (511, 133619), (2993, 22813), (3259, 20951)]