28910287

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2273}}^1$

素因数の和:2382

約数の個数: 16

約数和(自身を含む): 34928640

約数和(自身を除く): 6018353

約数列:

[1, 7, 23, 79, 161, 553, 1817, 2273, 12719, 15911, 52279, 179567, 365953, 1256969, 4130041, 28910287]

約数ペア:

[(1, 28910287), (7, 4130041), (23, 1256969), (79, 365953), (161, 179567), (553, 52279), (1817, 15911), (2273, 12719)]