64496075

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 95618880

約数和(自身を除く): 31122805

約数列:

[1, 5, 7, 25, 35, 41, 89, 101, 175, 205, 287, 445, 505, 623, 707, 1025, 1435, 2225, 2525, 3115, 3535, 3649, 4141, 7175, 8989, 15575, 17675, 18245, 20705, 25543, 28987, 44945, 62923, 91225, 103525, 127715, 144935, 224725, 314615, 368549, 638575, 724675, 1573075, 1842745, 2579843, 9213725, 12899215, 64496075]

約数ペア:

[(1, 64496075), (5, 12899215), (7, 9213725), (25, 2579843), (35, 1842745), (41, 1573075), (89, 724675), (101, 638575), (175, 368549), (205, 314615), (287, 224725), (445, 144935), (505, 127715), (623, 103525), (707, 91225), (1025, 62923), (1435, 44945), (2225, 28987), (2525, 25543), (3115, 20705), (3535, 18245), (3649, 17675), (4141, 15575), (7175, 8989)]