631913072

素因数分解:

$2^4\times 7^1\times {\mathrm{491}}^1\times {\mathrm{11491}}^1$

素因数の和:11997

約数の個数: 40

約数和(自身を含む): 1402207872

約数和(自身を除く): 770294800

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 491, 982, 1964, 3437, 3928, 6874, 7856, 11491, 13748, 22982, 27496, 45964, 54992, 80437, 91928, 160874, 183856, 321748, 643496, 1286992, 5642081, 11284162, 22568324, 39494567, 45136648, 78989134, 90273296, 157978268, 315956536, 631913072]

約数ペア:

[(1, 631913072), (2, 315956536), (4, 157978268), (7, 90273296), (8, 78989134), (14, 45136648), (16, 39494567), (28, 22568324), (56, 11284162), (112, 5642081), (491, 1286992), (982, 643496), (1964, 321748), (3437, 183856), (3928, 160874), (6874, 91928), (7856, 80437), (11491, 54992), (13748, 45964), (22982, 27496)]