665269345

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{419}}^1\times {\mathrm{1879}}^1$

素因数の和:2329

約数の個数: 24

約数和(自身を含む): 866980800

約数和(自身を除く): 201711455

約数列:

[1, 5, 13, 65, 169, 419, 845, 1879, 2095, 5447, 9395, 24427, 27235, 70811, 122135, 317551, 354055, 787301, 1587755, 3936505, 10234913, 51174565, 133053869, 665269345]

約数ペア:

[(1, 665269345), (5, 133053869), (13, 51174565), (65, 10234913), (169, 3936505), (419, 1587755), (845, 787301), (1879, 354055), (2095, 317551), (5447, 122135), (9395, 70811), (24427, 27235)]