81578236

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{12413}}^1$

素因数の和:12501

約数の個数: 24

約数和(自身を含む): 150159744

約数和(自身を除く): 68581508

約数列:

[1, 2, 4, 31, 53, 62, 106, 124, 212, 1643, 3286, 6572, 12413, 24826, 49652, 384803, 657889, 769606, 1315778, 1539212, 2631556, 20394559, 40789118, 81578236]

約数ペア:

[(1, 81578236), (2, 40789118), (4, 20394559), (31, 2631556), (53, 1539212), (62, 1315778), (106, 769606), (124, 657889), (212, 384803), (1643, 49652), (3286, 24826), (6572, 12413)]