870801988

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{15193}}^1$

素因数の和:15316

約数の個数: 48

約数和(自身を含む): 1837866240

約数和(自身を除く): 967064252

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 89, 92, 161, 178, 322, 356, 623, 644, 1246, 2047, 2492, 4094, 8188, 14329, 15193, 28658, 30386, 57316, 60772, 106351, 212702, 349439, 425404, 698878, 1352177, 1397756, 2446073, 2704354, 4892146, 5408708, 9465239, 9784292, 18930478, 31100071, 37860956, 62200142, 124400284, 217700497, 435400994, 870801988]

約数ペア:

[(1, 870801988), (2, 435400994), (4, 217700497), (7, 124400284), (14, 62200142), (23, 37860956), (28, 31100071), (46, 18930478), (89, 9784292), (92, 9465239), (161, 5408708), (178, 4892146), (322, 2704354), (356, 2446073), (623, 1397756), (644, 1352177), (1246, 698878), (2047, 425404), (2492, 349439), (4094, 212702), (8188, 106351), (14329, 60772), (15193, 57316), (28658, 30386)]