289807336

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{398087}}^1$

素因数の和:398113

約数の個数: 32

約数和(自身を含む): 668787840

約数和(自身を除く): 378980504

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 398087, 796174, 1592348, 2786609, 3184696, 5175131, 5573218, 10350262, 11146436, 20700524, 22292872, 36225917, 41401048, 72451834, 144903668, 289807336]

約数ペア:

[(1, 289807336), (2, 144903668), (4, 72451834), (7, 41401048), (8, 36225917), (13, 22292872), (14, 20700524), (26, 11146436), (28, 10350262), (52, 5573218), (56, 5175131), (91, 3184696), (104, 2786609), (182, 1592348), (364, 796174), (728, 398087)]