81597904

素因数分解:

$2^4\times {\mathrm{281}}^1\times {\mathrm{18149}}^1$

素因数の和:18438

約数の個数: 20

約数和(自身を含む): 158667300

約数和(自身を除く): 77069396

約数列:

[1, 2, 4, 8, 16, 281, 562, 1124, 2248, 4496, 18149, 36298, 72596, 145192, 290384, 5099869, 10199738, 20399476, 40798952, 81597904]

約数ペア:

[(1, 81597904), (2, 40798952), (4, 20399476), (8, 10199738), (16, 5099869), (281, 290384), (562, 145192), (1124, 72596), (2248, 36298), (4496, 18149)]