81636737

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{467}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 107557632

約数和(自身を除く): 25920895

約数列:

[1, 7, 13, 17, 91, 113, 119, 221, 467, 791, 1469, 1547, 1921, 3269, 6071, 7939, 10283, 13447, 24973, 42497, 52771, 55573, 103207, 174811, 369397, 686023, 722449, 897107, 4802161, 6279749, 11662391, 81636737]

約数ペア:

[(1, 81636737), (7, 11662391), (13, 6279749), (17, 4802161), (91, 897107), (113, 722449), (119, 686023), (221, 369397), (467, 174811), (791, 103207), (1469, 55573), (1547, 52771), (1921, 42497), (3269, 24973), (6071, 13447), (7939, 10283)]