81854444

素因数分解:

$2^2\times 7^1\times {\mathrm{1321}}^1\times {\mathrm{2213}}^1$

素因数の和:3545

約数の個数: 24

約数和(自身を含む): 163906848

約数和(自身を除く): 82052404

約数列:

[1, 2, 4, 7, 14, 28, 1321, 2213, 2642, 4426, 5284, 8852, 9247, 15491, 18494, 30982, 36988, 61964, 2923373, 5846746, 11693492, 20463611, 40927222, 81854444]

約数ペア:

[(1, 81854444), (2, 40927222), (4, 20463611), (7, 11693492), (14, 5846746), (28, 2923373), (1321, 61964), (2213, 36988), (2642, 30982), (4426, 18494), (5284, 15491), (8852, 9247)]