28405778

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{599}}^1$

素因数の和:913

約数の個数: 16

約数和(自身を含む): 43243200

約数和(自身を除く): 14837422

約数列:

[1, 2, 131, 181, 262, 362, 599, 1198, 23711, 47422, 78469, 108419, 156938, 216838, 14202889, 28405778]

約数ペア:

[(1, 28405778), (2, 14202889), (131, 216838), (181, 156938), (262, 108419), (362, 78469), (599, 47422), (1198, 23711)]