275275895

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{853}}^1$

素因数の和:999

約数の個数: 32

約数和(自身を含む): 360729600

約数和(自身を除く): 85453705

約数列:

[1, 5, 19, 43, 79, 95, 215, 395, 817, 853, 1501, 3397, 4085, 4265, 7505, 16207, 16985, 36679, 64543, 67387, 81035, 183395, 322715, 336935, 696901, 1280353, 2897641, 3484505, 6401765, 14488205, 55055179, 275275895]

約数ペア:

[(1, 275275895), (5, 55055179), (19, 14488205), (43, 6401765), (79, 3484505), (95, 2897641), (215, 1280353), (395, 696901), (817, 336935), (853, 322715), (1501, 183395), (3397, 81035), (4085, 67387), (4265, 64543), (7505, 36679), (16207, 16985)]