128422832

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{258917}}^1$

素因数の和:258956

約数の個数: 20

約数和(自身を含む): 256846656

約数和(自身を除く): 128423824

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 258917, 517834, 1035668, 2071336, 4142672, 8026427, 16052854, 32105708, 64211416, 128422832]

約数ペア:

[(1, 128422832), (2, 64211416), (4, 32105708), (8, 16052854), (16, 8026427), (31, 4142672), (62, 2071336), (124, 1035668), (248, 517834), (496, 258917)]