81813394

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{4909}}^1$

素因数の和:5565

約数の個数: 16

約数和(自身を含む): 132393240

約数和(自身を除く): 50579846

約数列:

[1, 2, 13, 26, 641, 1282, 4909, 8333, 9818, 16666, 63817, 127634, 3146669, 6293338, 40906697, 81813394]

約数ペア:

[(1, 81813394), (2, 40906697), (13, 6293338), (26, 3146669), (641, 127634), (1282, 63817), (4909, 16666), (8333, 9818)]