28419559

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 34933248

約数和(自身を除く): 6513689

約数列:

[1, 7, 23, 49, 151, 161, 167, 1057, 1127, 1169, 3473, 3841, 7399, 8183, 24311, 25217, 26887, 170177, 176519, 188209, 579991, 1235633, 4059937, 28419559]

約数ペア:

[(1, 28419559), (7, 4059937), (23, 1235633), (49, 579991), (151, 188209), (161, 176519), (167, 170177), (1057, 26887), (1127, 25217), (1169, 24311), (3473, 8183), (3841, 7399)]