66458288

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{319511}}^1$

素因数の和:319532

約数の個数: 20

約数和(自身を含む): 138668208

約数和(自身を除く): 72209920

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 319511, 639022, 1278044, 2556088, 4153643, 5112176, 8307286, 16614572, 33229144, 66458288]

約数ペア:

[(1, 66458288), (2, 33229144), (4, 16614572), (8, 8307286), (13, 5112176), (16, 4153643), (26, 2556088), (52, 1278044), (104, 639022), (208, 319511)]