401049649

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{769}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 540207360

約数和(自身を除く): 139157711

約数列:

[1, 7, 11, 13, 77, 91, 143, 521, 769, 1001, 3647, 5383, 5731, 6773, 8459, 9997, 40117, 47411, 59213, 69979, 74503, 109967, 400649, 521521, 769769, 2804543, 4407139, 5208437, 30849973, 36459059, 57292807, 401049649]

約数ペア:

[(1, 401049649), (7, 57292807), (11, 36459059), (13, 30849973), (77, 5208437), (91, 4407139), (143, 2804543), (521, 769769), (769, 521521), (1001, 400649), (3647, 109967), (5383, 74503), (5731, 69979), (6773, 59213), (8459, 47411), (9997, 40117)]