1291279871

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{1667}}^1\times {\mathrm{2699}}^1$

素因数の和:4414

約数の個数: 16

約数和(自身を含む): 1513209600

約数和(自身を除く): 221929729

約数列:

[1, 7, 41, 287, 1667, 2699, 11669, 18893, 68347, 110659, 478429, 774613, 4499233, 31494631, 184468553, 1291279871]

約数ペア:

[(1, 1291279871), (7, 184468553), (41, 31494631), (287, 4499233), (1667, 774613), (2699, 478429), (11669, 110659), (18893, 68347)]