128434376

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{120709}}^1$

素因数の和:120741

約数の個数: 32

約数和(自身を含む): 289704000

約数和(自身を除く): 161269624

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 120709, 241418, 482836, 844963, 965672, 1689926, 2293471, 3379852, 4586942, 6759704, 9173884, 16054297, 18347768, 32108594, 64217188, 128434376]

約数ペア:

[(1, 128434376), (2, 64217188), (4, 32108594), (7, 18347768), (8, 16054297), (14, 9173884), (19, 6759704), (28, 4586942), (38, 3379852), (56, 2293471), (76, 1689926), (133, 965672), (152, 844963), (266, 482836), (532, 241418), (1064, 120709)]