1388978

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:289

約数の個数: 16

約数和(自身を含む): 2160000

約数和(自身を除く): 771022

約数列:

[1, 2, 59, 79, 118, 149, 158, 298, 4661, 8791, 9322, 11771, 17582, 23542, 694489, 1388978]

約数ペア:

[(1, 1388978), (2, 694489), (59, 23542), (79, 17582), (118, 11771), (149, 9322), (158, 8791), (298, 4661)]