28743505

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{13463}}^1$

素因数の和:13536

約数の個数: 16

約数和(自身を含む): 40068864

約数和(自身を除く): 11325359

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 13463, 67315, 94241, 471205, 821243, 4106215, 5748701, 28743505]

約数ペア:

[(1, 28743505), (5, 5748701), (7, 4106215), (35, 821243), (61, 471205), (305, 94241), (427, 67315), (2135, 13463)]