138637616

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{666527}}^1$

素因数の和:666548

約数の個数: 20

約数和(自身を含む): 289273152

約数和(自身を除く): 150635536

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 666527, 1333054, 2666108, 5332216, 8664851, 10664432, 17329702, 34659404, 69318808, 138637616]

約数ペア:

[(1, 138637616), (2, 69318808), (4, 34659404), (8, 17329702), (13, 10664432), (16, 8664851), (26, 5332216), (52, 2666108), (104, 1333054), (208, 666527)]