221452112

素因数分解:

$2^4\times 7^1\times {\mathrm{1977251}}^1$

素因数の和:1977266

約数の個数: 20

約数和(自身を含む): 490358496

約数和(自身を除く): 268906384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1977251, 3954502, 7909004, 13840757, 15818008, 27681514, 31636016, 55363028, 110726056, 221452112]

約数ペア:

[(1, 221452112), (2, 110726056), (4, 55363028), (7, 31636016), (8, 27681514), (14, 15818008), (16, 13840757), (28, 7909004), (56, 3954502), (112, 1977251)]