28940717

素因数分解:

${\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:452

約数の個数: 16

約数和(自身を含む): 31987200

約数和(自身を除く): 3046483

約数列:

[1, 13, 67, 149, 223, 871, 1937, 2899, 9983, 14941, 33227, 129779, 194233, 431951, 2226209, 28940717]

約数ペア:

[(1, 28940717), (13, 2226209), (67, 431951), (149, 194233), (223, 129779), (871, 33227), (1937, 14941), (2899, 9983)]