397399786

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1669747}}^1$

素因数の和:1669773

約数の個数: 16

約数和(自身を含む): 721331136

約数和(自身を除く): 323931350

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 1669747, 3339494, 11688229, 23376458, 28385699, 56771398, 198699893, 397399786]

約数ペア:

[(1, 397399786), (2, 198699893), (7, 56771398), (14, 28385699), (17, 23376458), (34, 11688229), (119, 3339494), (238, 1669747)]