81419212

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{25733}}^1$

素因数の和:25857

約数の個数: 24

約数和(自身を含む): 164285856

約数和(自身を除く): 82866644

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 25733, 51466, 102932, 180131, 360262, 720524, 2907829, 5815658, 11631316, 20354803, 40709606, 81419212]

約数ペア:

[(1, 81419212), (2, 40709606), (4, 20354803), (7, 11631316), (14, 5815658), (28, 2907829), (113, 720524), (226, 360262), (452, 180131), (791, 102932), (1582, 51466), (3164, 25733)]