678240074

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1\times {\mathrm{439}}^1$

素因数の和:942

約数の個数: 32

約数和(自身を含む): 1086096000

約数和(自身を除く): 407855926

約数列:

[1, 2, 19, 38, 109, 218, 373, 439, 746, 878, 2071, 4142, 7087, 8341, 14174, 16682, 40657, 47851, 81314, 95702, 163747, 327494, 772483, 909169, 1544966, 1818338, 3111193, 6222386, 17848423, 35696846, 339120037, 678240074]

約数ペア:

[(1, 678240074), (2, 339120037), (19, 35696846), (38, 17848423), (109, 6222386), (218, 3111193), (373, 1818338), (439, 1544966), (746, 909169), (878, 772483), (2071, 327494), (4142, 163747), (7087, 95702), (8341, 81314), (14174, 47851), (16682, 40657)]