28899409

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{12107}}^1$

素因数の和:12156

約数の個数: 16

約数和(自身を含む): 37195776

約数和(自身を除く): 8296367

約数列:

[1, 7, 11, 31, 77, 217, 341, 2387, 12107, 84749, 133177, 375317, 932239, 2627219, 4128487, 28899409]

約数ペア:

[(1, 28899409), (7, 4128487), (11, 2627219), (31, 932239), (77, 375317), (217, 133177), (341, 84749), (2387, 12107)]