128835455

素因数分解:

$5^1\times 7^2\times {\mathrm{383}}^1\times {\mathrm{1373}}^1$

素因数の和:1775

約数の個数: 24

約数和(自身を含む): 180444672

約数和(自身を除く): 51609217

約数列:

[1, 5, 7, 35, 49, 245, 383, 1373, 1915, 2681, 6865, 9611, 13405, 18767, 48055, 67277, 93835, 336385, 525859, 2629295, 3681013, 18405065, 25767091, 128835455]

約数ペア:

[(1, 128835455), (5, 25767091), (7, 18405065), (35, 3681013), (49, 2629295), (245, 525859), (383, 336385), (1373, 93835), (1915, 67277), (2681, 48055), (6865, 18767), (9611, 13405)]