665805014

素因数分解:

$2^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{263}}^1\times {\mathrm{857}}^1$

素因数の和:1340

約数の個数: 32

約数和(自身を含む): 1152493056

約数和(自身を除く): 486688042

約数列:

[1, 2, 7, 14, 211, 263, 422, 526, 857, 1477, 1714, 1841, 2954, 3682, 5999, 11998, 55493, 110986, 180827, 225391, 361654, 388451, 450782, 776902, 1265789, 1577737, 2531578, 3155474, 47557501, 95115002, 332902507, 665805014]

約数ペア:

[(1, 665805014), (2, 332902507), (7, 95115002), (14, 47557501), (211, 3155474), (263, 2531578), (422, 1577737), (526, 1265789), (857, 776902), (1477, 450782), (1714, 388451), (1841, 361654), (2954, 225391), (3682, 180827), (5999, 110986), (11998, 55493)]