381311

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 16

約数和(自身を含む): 476160

約数和(自身を除く): 94849

約数列:

[1, 7, 19, 47, 61, 133, 329, 427, 893, 1159, 2867, 6251, 8113, 20069, 54473, 381311]

約数ペア:

[(1, 381311), (7, 54473), (19, 20069), (47, 8113), (61, 6251), (133, 2867), (329, 1159), (427, 893)]