4090015

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1$

素因数の和:522

約数の個数: 16

約数和(自身を含む): 5165280

約数和(自身を除く): 1075265

約数列:

[1, 5, 29, 67, 145, 335, 421, 1943, 2105, 9715, 12209, 28207, 61045, 141035, 818003, 4090015]

約数ペア:

[(1, 4090015), (5, 818003), (29, 141035), (67, 61045), (145, 28207), (335, 12209), (421, 9715), (1943, 2105)]