51644528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{248291}}^1$

素因数の和:248312

約数の個数: 20

約数和(自身を含む): 107758728

約数和(自身を除く): 56114200

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 248291, 496582, 993164, 1986328, 3227783, 3972656, 6455566, 12911132, 25822264, 51644528]

約数ペア:

[(1, 51644528), (2, 25822264), (4, 12911132), (8, 6455566), (13, 3972656), (16, 3227783), (26, 1986328), (52, 993164), (104, 496582), (208, 248291)]