217439815

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{1181}}^1\times {\mathrm{1601}}^1$

素因数の和:2810

約数の個数: 16

約数和(自身を含む): 272673216

約数和(自身を除く): 55233401

約数列:

[1, 5, 23, 115, 1181, 1601, 5905, 8005, 27163, 36823, 135815, 184115, 1890781, 9453905, 43487963, 217439815]

約数ペア:

[(1, 217439815), (5, 43487963), (23, 9453905), (115, 1890781), (1181, 184115), (1601, 135815), (5905, 36823), (8005, 27163)]