28438585

素因数分解:

$5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{5381}}^1$

素因数の和:5544

約数の個数: 16

約数和(自身を含む): 39267072

約数和(自身を除く): 10828487

約数列:

[1, 5, 7, 35, 151, 755, 1057, 5285, 5381, 26905, 37667, 188335, 812531, 4062655, 5687717, 28438585]

約数ペア:

[(1, 28438585), (5, 5687717), (7, 4062655), (35, 812531), (151, 188335), (755, 37667), (1057, 26905), (5285, 5381)]