211566890

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{4217}}^1$

素因数の和:4426

約数の個数: 32

約数和(自身を含む): 396323280

約数和(自身を除く): 184756390

約数列:

[1, 2, 5, 10, 29, 58, 145, 173, 290, 346, 865, 1730, 4217, 5017, 8434, 10034, 21085, 25085, 42170, 50170, 122293, 244586, 611465, 729541, 1222930, 1459082, 3647705, 7295410, 21156689, 42313378, 105783445, 211566890]

約数ペア:

[(1, 211566890), (2, 105783445), (5, 42313378), (10, 21156689), (29, 7295410), (58, 3647705), (145, 1459082), (173, 1222930), (290, 729541), (346, 611465), (865, 244586), (1730, 122293), (4217, 50170), (5017, 42170), (8434, 25085), (10034, 21085)]