678889130

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{38377}}^1$

素因数の和:38474

約数の個数: 32

約数和(自身を含む): 1284895440

約数和(自身を除く): 606006310

約数列:

[1, 2, 5, 10, 29, 58, 61, 122, 145, 290, 305, 610, 1769, 3538, 8845, 17690, 38377, 76754, 191885, 383770, 1112933, 2225866, 2340997, 4681994, 5564665, 11129330, 11704985, 23409970, 67888913, 135777826, 339444565, 678889130]

約数ペア:

[(1, 678889130), (2, 339444565), (5, 135777826), (10, 67888913), (29, 23409970), (58, 11704985), (61, 11129330), (122, 5564665), (145, 4681994), (290, 2340997), (305, 2225866), (610, 1112933), (1769, 383770), (3538, 191885), (8845, 76754), (17690, 38377)]