54321490

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{74413}}^1$

素因数の和:74493

約数の個数: 16

約数和(自身を含む): 99119448

約数和(自身を除く): 44797958

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 74413, 148826, 372065, 744130, 5432149, 10864298, 27160745, 54321490]

約数ペア:

[(1, 54321490), (2, 27160745), (5, 10864298), (10, 5432149), (73, 744130), (146, 372065), (365, 148826), (730, 74413)]