81815164

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{317}}^1\times {\mathrm{571}}^1$

素因数の和:1005

約数の個数: 24

約数和(自身を含む): 145153008

約数和(自身を除く): 63337844

約数列:

[1, 2, 4, 113, 226, 317, 452, 571, 634, 1142, 1268, 2284, 35821, 64523, 71642, 129046, 143284, 181007, 258092, 362014, 724028, 20453791, 40907582, 81815164]

約数ペア:

[(1, 81815164), (2, 40907582), (4, 20453791), (113, 724028), (226, 362014), (317, 258092), (452, 181007), (571, 143284), (634, 129046), (1142, 71642), (1268, 64523), (2284, 35821)]