1296388912

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{890377}}^1$

素因数の和:890405

約数の個数: 40

約数和(自身を含む): 3091392416

約数和(自身を除く): 1795003504

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 890377, 1780754, 3561508, 6232639, 7123016, 11574901, 12465278, 14246032, 23149802, 24930556, 46299604, 49861112, 81024307, 92599208, 99722224, 162048614, 185198416, 324097228, 648194456, 1296388912]

約数ペア:

[(1, 1296388912), (2, 648194456), (4, 324097228), (7, 185198416), (8, 162048614), (13, 99722224), (14, 92599208), (16, 81024307), (26, 49861112), (28, 46299604), (52, 24930556), (56, 23149802), (91, 14246032), (104, 12465278), (112, 11574901), (182, 7123016), (208, 6232639), (364, 3561508), (728, 1780754), (1456, 890377)]