201991928405

素因数分解:

$5^1\times {\mathrm{181}}^1\times {\mathrm{541}}^1\times {\mathrm{412561}}^1$

素因数の和:413288

約数の個数: 16

約数和(自身を含む): 244180595568

約数和(自身を除く): 42188667163

約数列:

[1, 5, 181, 541, 905, 2705, 97921, 412561, 489605, 2062805, 74673541, 223195501, 373367705, 1115977505, 40398385681, 201991928405]

約数ペア:

[(1, 201991928405), (5, 40398385681), (181, 1115977505), (541, 373367705), (905, 223195501), (2705, 74673541), (97921, 2062805), (412561, 489605)]