81805838

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1\times {\mathrm{1861}}^1$

素因数の和:2603

約数の個数: 16

約数和(自身を含む): 126913920

約数和(自身を除く): 45108082

約数列:

[1, 2, 31, 62, 709, 1418, 1861, 3722, 21979, 43958, 57691, 115382, 1319449, 2638898, 40902919, 81805838]

約数ペア:

[(1, 81805838), (2, 40902919), (31, 2638898), (62, 1319449), (709, 115382), (1418, 57691), (1861, 43958), (3722, 21979)]