51840775

素因数分解:

$5^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{419}}^1$

素因数の和:544

約数の個数: 36

約数和(自身を含む): 75698280

約数和(自身を除く): 23857505

約数列:

[1, 5, 7, 25, 35, 49, 101, 175, 245, 419, 505, 707, 1225, 2095, 2525, 2933, 3535, 4949, 10475, 14665, 17675, 20531, 24745, 42319, 73325, 102655, 123725, 211595, 296233, 513275, 1057975, 1481165, 2073631, 7405825, 10368155, 51840775]

約数ペア:

[(1, 51840775), (5, 10368155), (7, 7405825), (25, 2073631), (35, 1481165), (49, 1057975), (101, 513275), (175, 296233), (245, 211595), (419, 123725), (505, 102655), (707, 73325), (1225, 42319), (2095, 24745), (2525, 20531), (2933, 17675), (3535, 14665), (4949, 10475)]