219832015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{198943}}^1$

素因数の和:198978

約数の個数: 16

約数和(自身を含む): 300803328

約数和(自身を除く): 80971313

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 198943, 994715, 2586259, 3382031, 12931295, 16910155, 43966403, 219832015]

約数ペア:

[(1, 219832015), (5, 43966403), (13, 16910155), (17, 12931295), (65, 3382031), (85, 2586259), (221, 994715), (1105, 198943)]