64685738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 107076816

約数和(自身を除く): 42391078

約数列:

[1, 2, 13, 26, 73, 146, 173, 197, 346, 394, 949, 1898, 2249, 2561, 4498, 5122, 12629, 14381, 25258, 28762, 34081, 68162, 164177, 186953, 328354, 373906, 443053, 886106, 2487913, 4975826, 32342869, 64685738]

約数ペア:

[(1, 64685738), (2, 32342869), (13, 4975826), (26, 2487913), (73, 886106), (146, 443053), (173, 373906), (197, 328354), (346, 186953), (394, 164177), (949, 68162), (1898, 34081), (2249, 28762), (2561, 25258), (4498, 14381), (5122, 12629)]