214859905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{143719}}^1$

素因数の和:143760

約数の個数: 16

約数和(自身を含む): 289739520

約数和(自身を除く): 74879615

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 143719, 718595, 1868347, 3305537, 9341735, 16527685, 42971981, 214859905]

約数ペア:

[(1, 214859905), (5, 42971981), (13, 16527685), (23, 9341735), (65, 3305537), (115, 1868347), (299, 718595), (1495, 143719)]