71345225

素因数分解:

$5^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:582

約数の個数: 36

約数和(自身を含む): 103899600

約数和(自身を除く): 32554375

約数列:

[1, 5, 7, 25, 35, 49, 139, 175, 245, 419, 695, 973, 1225, 2095, 2933, 3475, 4865, 6811, 10475, 14665, 20531, 24325, 34055, 58241, 73325, 102655, 170275, 291205, 407687, 513275, 1456025, 2038435, 2853809, 10192175, 14269045, 71345225]

約数ペア:

[(1, 71345225), (5, 14269045), (7, 10192175), (25, 2853809), (35, 2038435), (49, 1456025), (139, 513275), (175, 407687), (245, 291205), (419, 170275), (695, 102655), (973, 73325), (1225, 58241), (2095, 34055), (2933, 24325), (3475, 20531), (4865, 14665), (6811, 10475)]