28379410

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{39971}}^1$

素因数の和:40049

約数の個数: 16

約数和(自身を含む): 51803712

約数和(自身を除く): 23424302

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 39971, 79942, 199855, 399710, 2837941, 5675882, 14189705, 28379410]

約数ペア:

[(1, 28379410), (2, 14189705), (5, 5675882), (10, 2837941), (71, 399710), (142, 199855), (355, 79942), (710, 39971)]