215989879

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{16963}}^1$

素因数の和:17094

約数の個数: 16

約数和(自身を含む): 263824128

約数和(自身を除く): 47834249

約数列:

[1, 7, 17, 107, 119, 749, 1819, 12733, 16963, 118741, 288371, 1815041, 2018597, 12705287, 30855697, 215989879]

約数ペア:

[(1, 215989879), (7, 30855697), (17, 12705287), (107, 2018597), (119, 1815041), (749, 288371), (1819, 118741), (12733, 16963)]