138268445

素因数分解:

$5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{2179}}^1$

素因数の和:2242

約数の個数: 32

約数和(自身を含む): 198816000

約数和(自身を除く): 60547555

約数列:

[1, 5, 7, 35, 37, 49, 185, 245, 259, 343, 1295, 1715, 1813, 2179, 9065, 10895, 12691, 15253, 63455, 76265, 80623, 106771, 403115, 533855, 564361, 747397, 2821805, 3736985, 3950527, 19752635, 27653689, 138268445]

約数ペア:

[(1, 138268445), (5, 27653689), (7, 19752635), (35, 3950527), (37, 3736985), (49, 2821805), (185, 747397), (245, 564361), (259, 533855), (343, 403115), (1295, 106771), (1715, 80623), (1813, 76265), (2179, 63455), (9065, 15253), (10895, 12691)]