81513110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{643}}^1\times {\mathrm{1811}}^1$

素因数の和:2468

約数の個数: 32

約数和(自身を含む): 168037632

約数和(自身を除く): 86524522

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 643, 1286, 1811, 3215, 3622, 4501, 6430, 9002, 9055, 12677, 18110, 22505, 25354, 45010, 63385, 126770, 1164473, 2328946, 5822365, 8151311, 11644730, 16302622, 40756555, 81513110]

約数ペア:

[(1, 81513110), (2, 40756555), (5, 16302622), (7, 11644730), (10, 8151311), (14, 5822365), (35, 2328946), (70, 1164473), (643, 126770), (1286, 63385), (1811, 45010), (3215, 25354), (3622, 22505), (4501, 18110), (6430, 12677), (9002, 9055)]