64215646

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{78889}}^1$

素因数の和:78939

約数の個数: 16

約数和(自身を含む): 107921520

約数和(自身を除く): 43705874

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 78889, 157778, 867779, 1735558, 2918893, 5837786, 32107823, 64215646]

約数ペア:

[(1, 64215646), (2, 32107823), (11, 5837786), (22, 2918893), (37, 1735558), (74, 867779), (407, 157778), (814, 78889)]