217395610

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{306191}}^1$

素因数の和:306269

約数の個数: 16

約数和(自身を含む): 396824832

約数和(自身を除く): 179429222

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 306191, 612382, 1530955, 3061910, 21739561, 43479122, 108697805, 217395610]

約数ペア:

[(1, 217395610), (2, 108697805), (5, 43479122), (10, 21739561), (71, 3061910), (142, 1530955), (355, 612382), (710, 306191)]