221865844

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61561}}^1$

素因数の和:61635

約数の個数: 24

約数和(自身を含む): 418867848

約数和(自身を除く): 197002004

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 901, 1802, 3604, 61561, 123122, 246244, 1046537, 2093074, 3262733, 4186148, 6525466, 13050932, 55466461, 110932922, 221865844]

約数ペア:

[(1, 221865844), (2, 110932922), (4, 55466461), (17, 13050932), (34, 6525466), (53, 4186148), (68, 3262733), (106, 2093074), (212, 1046537), (901, 246244), (1802, 123122), (3604, 61561)]