81942584

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{2521}}^1$

素因数の和:2783

約数の個数: 32

約数和(自身を含む): 163425600

約数和(自身を除く): 81483016

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 239, 478, 956, 1912, 2521, 4063, 5042, 8126, 10084, 16252, 20168, 32504, 42857, 85714, 171428, 342856, 602519, 1205038, 2410076, 4820152, 10242823, 20485646, 40971292, 81942584]

約数ペア:

[(1, 81942584), (2, 40971292), (4, 20485646), (8, 10242823), (17, 4820152), (34, 2410076), (68, 1205038), (136, 602519), (239, 342856), (478, 171428), (956, 85714), (1912, 42857), (2521, 32504), (4063, 20168), (5042, 16252), (8126, 10084)]