222893776

素因数分解:

$2^4\times 7^1\times {\mathrm{1990123}}^1$

素因数の和:1990138

約数の個数: 20

約数和(自身を含む): 493550752

約数和(自身を除く): 270656976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1990123, 3980246, 7960492, 13930861, 15920984, 27861722, 31841968, 55723444, 111446888, 222893776]

約数ペア:

[(1, 222893776), (2, 111446888), (4, 55723444), (7, 31841968), (8, 27861722), (14, 15920984), (16, 13930861), (28, 7960492), (56, 3980246), (112, 1990123)]