1221235345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{977}}^1\times {\mathrm{22727}}^1$

素因数の和:23720

約数の個数: 16

約数和(自身を含む): 1600414848

約数和(自身を除く): 379179503

約数列:

[1, 5, 11, 55, 977, 4885, 10747, 22727, 53735, 113635, 249997, 1249985, 22204279, 111021395, 244247069, 1221235345]

約数ペア:

[(1, 1221235345), (5, 244247069), (11, 111021395), (55, 22204279), (977, 1249985), (4885, 249997), (10747, 113635), (22727, 53735)]