820171156

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{27299}}^1$

素因数の和:27376

約数の個数: 48

約数和(自身を含む): 1742832000

約数和(自身を除く): 922660844

約数列:

[1, 2, 4, 7, 14, 28, 29, 37, 58, 74, 116, 148, 203, 259, 406, 518, 812, 1036, 1073, 2146, 4292, 7511, 15022, 27299, 30044, 54598, 109196, 191093, 382186, 764372, 791671, 1010063, 1583342, 2020126, 3166684, 4040252, 5541697, 7070441, 11083394, 14140882, 22166788, 28281764, 29291827, 58583654, 117167308, 205042789, 410085578, 820171156]

約数ペア:

[(1, 820171156), (2, 410085578), (4, 205042789), (7, 117167308), (14, 58583654), (28, 29291827), (29, 28281764), (37, 22166788), (58, 14140882), (74, 11083394), (116, 7070441), (148, 5541697), (203, 4040252), (259, 3166684), (406, 2020126), (518, 1583342), (812, 1010063), (1036, 791671), (1073, 764372), (2146, 382186), (4292, 191093), (7511, 109196), (15022, 54598), (27299, 30044)]