289719184

素因数分解:

$2^4\times {\mathrm{257}}^1\times {\mathrm{70457}}^1$

素因数の和:70722

約数の個数: 20

約数和(自身を含む): 563523084

約数和(自身を除く): 273803900

約数列:

[1, 2, 4, 8, 16, 257, 514, 1028, 2056, 4112, 70457, 140914, 281828, 563656, 1127312, 18107449, 36214898, 72429796, 144859592, 289719184]

約数ペア:

[(1, 289719184), (2, 144859592), (4, 72429796), (8, 36214898), (16, 18107449), (257, 1127312), (514, 563656), (1028, 281828), (2056, 140914), (4112, 70457)]