289381490

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{396413}}^1$

素因数の和:396493

約数の個数: 16

約数和(自身を含む): 528023448

約数和(自身を除く): 238641958

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 396413, 792826, 1982065, 3964130, 28938149, 57876298, 144690745, 289381490]

約数ペア:

[(1, 289381490), (2, 144690745), (5, 57876298), (10, 28938149), (73, 3964130), (146, 1982065), (365, 792826), (730, 396413)]