259485224

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{390791}}^1$

素因数の和:390880

約数の個数: 16

約数和(自身を含む): 492397920

約数和(自身を除く): 232912696

約数列:

[1, 2, 4, 8, 83, 166, 332, 664, 390791, 781582, 1563164, 3126328, 32435653, 64871306, 129742612, 259485224]

約数ペア:

[(1, 259485224), (2, 129742612), (4, 64871306), (8, 32435653), (83, 3126328), (166, 1563164), (332, 781582), (664, 390791)]