129956528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{624791}}^1$

素因数の和:624812

約数の個数: 20

約数和(自身を含む): 271159728

約数和(自身を除く): 141203200

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 624791, 1249582, 2499164, 4998328, 8122283, 9996656, 16244566, 32489132, 64978264, 129956528]

約数ペア:

[(1, 129956528), (2, 64978264), (4, 32489132), (8, 16244566), (13, 9996656), (16, 8122283), (26, 4998328), (52, 2499164), (104, 1249582), (208, 624791)]