249509405

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{11987}}^1$

素因数の和:12196

約数の個数: 16

約数和(自身を含む): 314181504

約数和(自身を除く): 64672099

約数列:

[1, 5, 23, 115, 181, 905, 4163, 11987, 20815, 59935, 275701, 1378505, 2169647, 10848235, 49901881, 249509405]

約数ペア:

[(1, 249509405), (5, 49901881), (23, 10848235), (115, 2169647), (181, 1378505), (905, 275701), (4163, 59935), (11987, 20815)]