2018989721

素因数分解:

$7^1\times {\mathrm{229}}^1\times {\mathrm{263}}^1\times {\mathrm{4789}}^1$

素因数の和:5288

約数の個数: 16

約数和(自身を含む): 2326790400

約数和(自身を除く): 307800679

約数列:

[1, 7, 229, 263, 1603, 1841, 4789, 33523, 60227, 421589, 1096681, 1259507, 7676767, 8816549, 288427103, 2018989721]

約数ペア:

[(1, 2018989721), (7, 288427103), (229, 8816549), (263, 7676767), (1603, 1259507), (1841, 1096681), (4789, 421589), (33523, 60227)]