81424624

素因数分解:

$2^4\times {\mathrm{661}}^1\times {\mathrm{7699}}^1$

素因数の和:8368

約数の個数: 20

約数和(自身を含む): 158019400

約数和(自身を除く): 76594776

約数列:

[1, 2, 4, 8, 16, 661, 1322, 2644, 5288, 7699, 10576, 15398, 30796, 61592, 123184, 5089039, 10178078, 20356156, 40712312, 81424624]

約数ペア:

[(1, 81424624), (2, 40712312), (4, 20356156), (8, 10178078), (16, 5089039), (661, 123184), (1322, 61592), (2644, 30796), (5288, 15398), (7699, 10576)]