254901815

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{587}}^1\times {\mathrm{653}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 369169920

約数和(自身を除く): 114268105

約数列:

[1, 5, 7, 19, 35, 95, 133, 587, 653, 665, 2935, 3265, 4109, 4571, 11153, 12407, 20545, 22855, 55765, 62035, 78071, 86849, 383311, 390355, 434245, 1916555, 2683177, 7282909, 13415885, 36414545, 50980363, 254901815]

約数ペア:

[(1, 254901815), (5, 50980363), (7, 36414545), (19, 13415885), (35, 7282909), (95, 2683177), (133, 1916555), (587, 434245), (653, 390355), (665, 383311), (2935, 86849), (3265, 78071), (4109, 62035), (4571, 55765), (11153, 22855), (12407, 20545)]