81470288

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{45061}}^1$

素因数の和:45182

約数の個数: 20

約数和(自身を含む): 159249108

約数和(自身を除く): 77778820

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 45061, 90122, 180244, 360488, 720976, 5091893, 10183786, 20367572, 40735144, 81470288]

約数ペア:

[(1, 81470288), (2, 40735144), (4, 20367572), (8, 10183786), (16, 5091893), (113, 720976), (226, 360488), (452, 180244), (904, 90122), (1808, 45061)]