3945890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 7741440

約数和(自身を除く): 3795550

約数列:

[1, 2, 5, 10, 13, 26, 65, 127, 130, 239, 254, 478, 635, 1195, 1270, 1651, 2390, 3107, 3302, 6214, 8255, 15535, 16510, 30353, 31070, 60706, 151765, 303530, 394589, 789178, 1972945, 3945890]

約数ペア:

[(1, 3945890), (2, 1972945), (5, 789178), (10, 394589), (13, 303530), (26, 151765), (65, 60706), (127, 31070), (130, 30353), (239, 16510), (254, 15535), (478, 8255), (635, 6214), (1195, 3302), (1270, 3107), (1651, 2390)]