220904497

素因数分解:

${\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 249789960

約数和(自身を除く): 28885463

約数列:

[1, 11, 73, 89, 121, 281, 803, 979, 3091, 6497, 8833, 10769, 20513, 25009, 34001, 71467, 225643, 275099, 786137, 1825657, 2482073, 3026089, 20082227, 220904497]

約数ペア:

[(1, 220904497), (11, 20082227), (73, 3026089), (89, 2482073), (121, 1825657), (281, 786137), (803, 275099), (979, 225643), (3091, 71467), (6497, 34001), (8833, 25009), (10769, 20513)]