66418508

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{20939}}^1$

素因数の和:21017

約数の個数: 24

約数和(自身を含む): 127231440

約数和(自身を除く): 60812932

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 20939, 41878, 83756, 272207, 544414, 1088828, 1277279, 2554558, 5109116, 16604627, 33209254, 66418508]

約数ペア:

[(1, 66418508), (2, 33209254), (4, 16604627), (13, 5109116), (26, 2554558), (52, 1277279), (61, 1088828), (122, 544414), (244, 272207), (793, 83756), (1586, 41878), (3172, 20939)]