81582428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{5449}}^1$

素因数の和:5669

約数の個数: 24

約数和(自身を含む): 151074000

約数和(自身を除く): 69491572

約数列:

[1, 2, 4, 19, 38, 76, 197, 394, 788, 3743, 5449, 7486, 10898, 14972, 21796, 103531, 207062, 414124, 1073453, 2146906, 4293812, 20395607, 40791214, 81582428]

約数ペア:

[(1, 81582428), (2, 40791214), (4, 20395607), (19, 4293812), (38, 2146906), (76, 1073453), (197, 414124), (394, 207062), (788, 103531), (3743, 21796), (5449, 14972), (7486, 10898)]