64700531

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 78183936

約数和(自身を除く): 13483405

約数列:

[1, 7, 37, 49, 127, 259, 281, 889, 1813, 1967, 4699, 6223, 10397, 13769, 32893, 35687, 72779, 230251, 249809, 509453, 1320419, 1748663, 9242933, 64700531]

約数ペア:

[(1, 64700531), (7, 9242933), (37, 1748663), (49, 1320419), (127, 509453), (259, 249809), (281, 230251), (889, 72779), (1813, 35687), (1967, 32893), (4699, 13769), (6223, 10397)]