28190939

素因数分解:

$7^1\times {\mathrm{23}}^3\times {\mathrm{331}}^1$

素因数の和:407

約数の個数: 16

約数和(自身を含む): 33784320

約数和(自身を除く): 5593381

約数列:

[1, 7, 23, 161, 331, 529, 2317, 3703, 7613, 12167, 53291, 85169, 175099, 1225693, 4027277, 28190939]

約数ペア:

[(1, 28190939), (7, 4027277), (23, 1225693), (161, 175099), (331, 85169), (529, 53291), (2317, 12167), (3703, 7613)]