208221572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{37423}}^1$

素因数の和:37547

約数の個数: 24

約数和(自身を含む): 396095616

約数和(自身を除く): 187874044

約数列:

[1, 2, 4, 13, 26, 52, 107, 214, 428, 1391, 2782, 5564, 37423, 74846, 149692, 486499, 972998, 1945996, 4004261, 8008522, 16017044, 52055393, 104110786, 208221572]

約数ペア:

[(1, 208221572), (2, 104110786), (4, 52055393), (13, 16017044), (26, 8008522), (52, 4004261), (107, 1945996), (214, 972998), (428, 486499), (1391, 149692), (2782, 74846), (5564, 37423)]