1640789941

素因数分解:

$7^2\times {\mathrm{59}}^1\times {\mathrm{389}}^1\times {\mathrm{1459}}^1$

素因数の和:1921

約数の個数: 24

約数和(自身を含む): 1947348000

約数和(自身を除く): 306558059

約数列:

[1, 7, 49, 59, 389, 413, 1459, 2723, 2891, 10213, 19061, 22951, 71491, 86081, 160657, 567551, 602567, 1124599, 3972857, 4217969, 27809999, 33485509, 234398563, 1640789941]

約数ペア:

[(1, 1640789941), (7, 234398563), (49, 33485509), (59, 27809999), (389, 4217969), (413, 3972857), (1459, 1124599), (2723, 602567), (2891, 567551), (10213, 160657), (19061, 86081), (22951, 71491)]