81998608

素因数分解:

$2^4\times {\mathrm{2069}}^1\times {\mathrm{2477}}^1$

素因数の和:4554

約数の個数: 20

約数和(自身を含む): 159013260

約数和(自身を除く): 77014652

約数列:

[1, 2, 4, 8, 16, 2069, 2477, 4138, 4954, 8276, 9908, 16552, 19816, 33104, 39632, 5124913, 10249826, 20499652, 40999304, 81998608]

約数ペア:

[(1, 81998608), (2, 40999304), (4, 20499652), (8, 10249826), (16, 5124913), (2069, 39632), (2477, 33104), (4138, 19816), (4954, 16552), (8276, 9908)]