97907978

素因数分解:

$2^1\times 7^4\times {\mathrm{20389}}^1$

素因数の和:20419

約数の個数: 20

約数和(自身を含む): 171337170

約数和(自身を除く): 73429192

約数列:

[1, 2, 7, 14, 49, 98, 343, 686, 2401, 4802, 20389, 40778, 142723, 285446, 999061, 1998122, 6993427, 13986854, 48953989, 97907978]

約数ペア:

[(1, 97907978), (2, 48953989), (7, 13986854), (14, 6993427), (49, 1998122), (98, 999061), (343, 285446), (686, 142723), (2401, 40778), (4802, 20389)]