28419784

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{2069}}^1$

素因数の和:2193

約数の個数: 32

約数和(自身を含む): 57007800

約数和(自身を除く): 28588016

約数列:

[1, 2, 4, 8, 17, 34, 68, 101, 136, 202, 404, 808, 1717, 2069, 3434, 4138, 6868, 8276, 13736, 16552, 35173, 70346, 140692, 208969, 281384, 417938, 835876, 1671752, 3552473, 7104946, 14209892, 28419784]

約数ペア:

[(1, 28419784), (2, 14209892), (4, 7104946), (8, 3552473), (17, 1671752), (34, 835876), (68, 417938), (101, 281384), (136, 208969), (202, 140692), (404, 70346), (808, 35173), (1717, 16552), (2069, 13736), (3434, 8276), (4138, 6868)]