81337655

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{587}}^1$

素因数の和:743

約数の個数: 32

約数和(自身を含む): 115831296

約数和(自身を除く): 34493641

約数列:

[1, 5, 7, 35, 37, 107, 185, 259, 535, 587, 749, 1295, 2935, 3745, 3959, 4109, 19795, 20545, 21719, 27713, 62809, 108595, 138565, 152033, 314045, 439663, 760165, 2198315, 2323933, 11619665, 16267531, 81337655]

約数ペア:

[(1, 81337655), (5, 16267531), (7, 11619665), (35, 2323933), (37, 2198315), (107, 760165), (185, 439663), (259, 314045), (535, 152033), (587, 138565), (749, 108595), (1295, 62809), (2935, 27713), (3745, 21719), (3959, 20545), (4109, 19795)]