201313775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{1979}}^1$

素因数の和:2315

約数の個数: 24

約数和(自身を含む): 269826480

約数和(自身を除く): 68512705

約数列:

[1, 5, 13, 25, 65, 313, 325, 1565, 1979, 4069, 7825, 9895, 20345, 25727, 49475, 101725, 128635, 619427, 643175, 3097135, 8052551, 15485675, 40262755, 201313775]

約数ペア:

[(1, 201313775), (5, 40262755), (13, 15485675), (25, 8052551), (65, 3097135), (313, 643175), (325, 619427), (1565, 128635), (1979, 101725), (4069, 49475), (7825, 25727), (9895, 20345)]