217349495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{11939}}^1$

素因数の和:12286

約数の個数: 16

約数和(自身を含む): 285413760

約数和(自身を除く): 68064265

約数列:

[1, 5, 11, 55, 331, 1655, 3641, 11939, 18205, 59695, 131329, 656645, 3951809, 19759045, 43469899, 217349495]

約数ペア:

[(1, 217349495), (5, 43469899), (11, 19759045), (55, 3951809), (331, 656645), (1655, 131329), (3641, 59695), (11939, 18205)]