85178644

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{641}}^1$

素因数の和:1023

約数の個数: 24

約数和(自身を含む): 150998400

約数和(自身を除く): 65819756

約数列:

[1, 2, 4, 139, 239, 278, 478, 556, 641, 956, 1282, 2564, 33221, 66442, 89099, 132884, 153199, 178198, 306398, 356396, 612796, 21294661, 42589322, 85178644]

約数ペア:

[(1, 85178644), (2, 42589322), (4, 21294661), (139, 612796), (239, 356396), (278, 306398), (478, 178198), (556, 153199), (641, 132884), (956, 89099), (1282, 66442), (2564, 33221)]