28971523

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3571}}^1$

素因数の和:3658

約数の個数: 16

約数和(自身を含む): 35434240

約数和(自身を除く): 6462717

約数列:

[1, 7, 19, 61, 133, 427, 1159, 3571, 8113, 24997, 67849, 217831, 474943, 1524817, 4138789, 28971523]

約数ペア:

[(1, 28971523), (7, 4138789), (19, 1524817), (61, 474943), (133, 217831), (427, 67849), (1159, 24997), (3571, 8113)]