40077919

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{571}}^1$

素因数の和:886

約数の個数: 16

約数和(自身を含む): 47297536

約数和(自身を除く): 7219617

約数列:

[1, 7, 37, 259, 271, 571, 1897, 3997, 10027, 21127, 70189, 147889, 154741, 1083187, 5725417, 40077919]

約数ペア:

[(1, 40077919), (7, 5725417), (37, 1083187), (259, 154741), (271, 147889), (571, 70189), (1897, 21127), (3997, 10027)]