220975559

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{1039}}^1\times {\mathrm{1321}}^1$

素因数の和:2390

約数の個数: 16

約数和(自身を含む): 263976960

約数和(自身を除く): 43001401

約数列:

[1, 7, 23, 161, 1039, 1321, 7273, 9247, 23897, 30383, 167279, 212681, 1372519, 9607633, 31567937, 220975559]

約数ペア:

[(1, 220975559), (7, 31567937), (23, 9607633), (161, 1372519), (1039, 212681), (1321, 167279), (7273, 30383), (9247, 23897)]