397716227

素因数分解:

${\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 434522880

約数和(自身を除く): 36806653

約数列:

[1, 19, 59, 71, 263, 361, 1121, 1349, 4189, 4997, 15517, 18673, 21299, 25631, 79591, 94943, 294823, 354787, 1101707, 1512229, 5601637, 6740953, 20932433, 397716227]

約数ペア:

[(1, 397716227), (19, 20932433), (59, 6740953), (71, 5601637), (263, 1512229), (361, 1101707), (1121, 354787), (1349, 294823), (4189, 94943), (4997, 79591), (15517, 25631), (18673, 21299)]