328019705

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{20431}}^1$

素因数の和:20481

約数の個数: 24

約数和(自身を含む): 448686720

約数和(自身を除く): 120667015

約数列:

[1, 5, 13, 19, 65, 95, 169, 247, 845, 1235, 3211, 16055, 20431, 102155, 265603, 388189, 1328015, 1940945, 3452839, 5046457, 17264195, 25232285, 65603941, 328019705]

約数ペア:

[(1, 328019705), (5, 65603941), (13, 25232285), (19, 17264195), (65, 5046457), (95, 3452839), (169, 1940945), (247, 1328015), (845, 388189), (1235, 265603), (3211, 102155), (16055, 20431)]