81646235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 111989952

約数和(自身を除く): 30343717

約数列:

[1, 5, 11, 37, 53, 55, 185, 265, 407, 583, 757, 1961, 2035, 2915, 3785, 8327, 9805, 21571, 28009, 40121, 41635, 107855, 140045, 200605, 308099, 441331, 1484477, 1540495, 2206655, 7422385, 16329247, 81646235]

約数ペア:

[(1, 81646235), (5, 16329247), (11, 7422385), (37, 2206655), (53, 1540495), (55, 1484477), (185, 441331), (265, 308099), (407, 200605), (583, 140045), (757, 107855), (1961, 41635), (2035, 40121), (2915, 28009), (3785, 21571), (8327, 9805)]