1277887910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2441}}^1\times {\mathrm{4027}}^1$

素因数の和:6488

約数の個数: 32

約数和(自身を含む): 2478766752

約数和(自身を除く): 1200878842

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2441, 4027, 4882, 8054, 12205, 20135, 24410, 31733, 40270, 52351, 63466, 104702, 158665, 261755, 317330, 523510, 9829907, 19659814, 49149535, 98299070, 127788791, 255577582, 638943955, 1277887910]

約数ペア:

[(1, 1277887910), (2, 638943955), (5, 255577582), (10, 127788791), (13, 98299070), (26, 49149535), (65, 19659814), (130, 9829907), (2441, 523510), (4027, 317330), (4882, 261755), (8054, 158665), (12205, 104702), (20135, 63466), (24410, 52351), (31733, 40270)]