12899215

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 18506880

約数和(自身を除く): 5607665

約数列:

[1, 5, 7, 35, 41, 89, 101, 205, 287, 445, 505, 623, 707, 1435, 3115, 3535, 3649, 4141, 8989, 18245, 20705, 25543, 28987, 44945, 62923, 127715, 144935, 314615, 368549, 1842745, 2579843, 12899215]

約数ペア:

[(1, 12899215), (5, 2579843), (7, 1842745), (35, 368549), (41, 314615), (89, 144935), (101, 127715), (205, 62923), (287, 44945), (445, 28987), (505, 25543), (623, 20705), (707, 18245), (1435, 8989), (3115, 4141), (3535, 3649)]