31080238

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{353}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 56413440

約数和(自身を除く): 25333202

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 331, 353, 662, 706, 2317, 2471, 4634, 4942, 6289, 6707, 12578, 13414, 44023, 46949, 88046, 93898, 116843, 233686, 817901, 1635802, 2220017, 4440034, 15540119, 31080238]

約数ペア:

[(1, 31080238), (2, 15540119), (7, 4440034), (14, 2220017), (19, 1635802), (38, 817901), (133, 233686), (266, 116843), (331, 93898), (353, 88046), (662, 46949), (706, 44023), (2317, 13414), (2471, 12578), (4634, 6707), (4942, 6289)]