209901175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{4217}}^1$

素因数の和:4419

約数の個数: 24

約数和(自身を含む): 285575472

約数和(自身を除く): 75674297

約数列:

[1, 5, 11, 25, 55, 181, 275, 905, 1991, 4217, 4525, 9955, 21085, 46387, 49775, 105425, 231935, 763277, 1159675, 3816385, 8396047, 19081925, 41980235, 209901175]

約数ペア:

[(1, 209901175), (5, 41980235), (11, 19081925), (25, 8396047), (55, 3816385), (181, 1159675), (275, 763277), (905, 231935), (1991, 105425), (4217, 49775), (4525, 46387), (9955, 21085)]