71435875

素因数分解:

$5^3\times 7^2\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 105636960

約数和(自身を除く): 34201085

約数列:

[1, 5, 7, 25, 35, 49, 107, 109, 125, 175, 245, 535, 545, 749, 763, 875, 1225, 2675, 2725, 3745, 3815, 5243, 5341, 6125, 11663, 13375, 13625, 18725, 19075, 26215, 26705, 58315, 81641, 93625, 95375, 131075, 133525, 291575, 408205, 571487, 655375, 667625, 1457875, 2041025, 2857435, 10205125, 14287175, 71435875]

約数ペア:

[(1, 71435875), (5, 14287175), (7, 10205125), (25, 2857435), (35, 2041025), (49, 1457875), (107, 667625), (109, 655375), (125, 571487), (175, 408205), (245, 291575), (535, 133525), (545, 131075), (749, 95375), (763, 93625), (875, 81641), (1225, 58315), (2675, 26705), (2725, 26215), (3745, 19075), (3815, 18725), (5243, 13625), (5341, 13375), (6125, 11663)]