209929121305

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1\times {\mathrm{1553707}}^1$

素因数の和:1554216

約数の個数: 16

約数和(自身を含む): 256622842944

約数和(自身を除く): 46693721639

約数列:

[1, 5, 61, 305, 443, 2215, 27023, 135115, 1553707, 7768535, 94776127, 473880635, 688292201, 3441461005, 41985824261, 209929121305]

約数ペア:

[(1, 209929121305), (5, 41985824261), (61, 3441461005), (305, 688292201), (443, 473880635), (2215, 94776127), (27023, 7768535), (135115, 1553707)]