28416458

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{25693}}^1$

素因数の和:25781

約数の個数: 16

約数和(自身を含む): 49332480

約数和(自身を除く): 20916022

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 25693, 51386, 179851, 359702, 2029747, 4059494, 14208229, 28416458]

約数ペア:

[(1, 28416458), (2, 14208229), (7, 4059494), (14, 2029747), (79, 359702), (158, 179851), (553, 51386), (1106, 25693)]