31069285

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 43932672

約数和(自身を除く): 12863387

約数列:

[1, 5, 13, 17, 31, 65, 85, 155, 221, 403, 527, 907, 1105, 2015, 2635, 4535, 6851, 11791, 15419, 28117, 34255, 58955, 77095, 140585, 200447, 365521, 477989, 1002235, 1827605, 2389945, 6213857, 31069285]

約数ペア:

[(1, 31069285), (5, 6213857), (13, 2389945), (17, 1827605), (31, 1002235), (65, 477989), (85, 365521), (155, 200447), (221, 140585), (403, 77095), (527, 58955), (907, 34255), (1105, 28117), (2015, 15419), (2635, 11791), (4535, 6851)]