31033925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 45278352

約数和(自身を除く): 14244427

約数列:

[1, 5, 13, 17, 25, 41, 65, 85, 137, 205, 221, 325, 425, 533, 685, 697, 1025, 1105, 1781, 2329, 2665, 3425, 3485, 5525, 5617, 8905, 9061, 11645, 13325, 17425, 28085, 30277, 44525, 45305, 58225, 73021, 95489, 140425, 151385, 226525, 365105, 477445, 756925, 1241357, 1825525, 2387225, 6206785, 31033925]

約数ペア:

[(1, 31033925), (5, 6206785), (13, 2387225), (17, 1825525), (25, 1241357), (41, 756925), (65, 477445), (85, 365105), (137, 226525), (205, 151385), (221, 140425), (325, 95489), (425, 73021), (533, 58225), (685, 45305), (697, 44525), (1025, 30277), (1105, 28085), (1781, 17425), (2329, 13325), (2665, 11645), (3425, 9061), (3485, 8905), (5525, 5617)]