85760404

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{2531}}^1$

素因数の和:2775

約数の個数: 24

約数和(自身を含む): 154411488

約数和(自身を除く): 68651084

約数列:

[1, 2, 4, 43, 86, 172, 197, 394, 788, 2531, 5062, 8471, 10124, 16942, 33884, 108833, 217666, 435332, 498607, 997214, 1994428, 21440101, 42880202, 85760404]

約数ペア:

[(1, 85760404), (2, 42880202), (4, 21440101), (43, 1994428), (86, 997214), (172, 498607), (197, 435332), (394, 217666), (788, 108833), (2531, 33884), (5062, 16942), (8471, 10124)]