31451056

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21601}}^1$

素因数の和:21629

約数の個数: 40

約数和(自身を含む): 75002144

約数和(自身を除く): 43551088

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 21601, 43202, 86404, 151207, 172808, 280813, 302414, 345616, 561626, 604828, 1123252, 1209656, 1965691, 2246504, 2419312, 3931382, 4493008, 7862764, 15725528, 31451056]

約数ペア:

[(1, 31451056), (2, 15725528), (4, 7862764), (7, 4493008), (8, 3931382), (13, 2419312), (14, 2246504), (16, 1965691), (26, 1209656), (28, 1123252), (52, 604828), (56, 561626), (91, 345616), (104, 302414), (112, 280813), (182, 172808), (208, 151207), (364, 86404), (728, 43202), (1456, 21601)]