128536796

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{111191}}^1$

素因数の和:111229

約数の個数: 18

約数和(自身を含む): 238951608

約数和(自身を除く): 110414812

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 111191, 222382, 444764, 1890247, 3780494, 7560988, 32134199, 64268398, 128536796]

約数ペア:

[(1, 128536796), (2, 64268398), (4, 32134199), (17, 7560988), (34, 3780494), (68, 1890247), (289, 444764), (578, 222382), (1156, 111191)]