3989012

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{719}}^1$

素因数の和:815

約数の個数: 24

約数和(自身を含む): 7459200

約数和(自身を除く): 3470188

約数列:

[1, 2, 4, 19, 38, 73, 76, 146, 292, 719, 1387, 1438, 2774, 2876, 5548, 13661, 27322, 52487, 54644, 104974, 209948, 997253, 1994506, 3989012]

約数ペア:

[(1, 3989012), (2, 1994506), (4, 997253), (19, 209948), (38, 104974), (73, 54644), (76, 52487), (146, 27322), (292, 13661), (719, 5548), (1387, 2876), (1438, 2774)]