28123730

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{9043}}^1$

素因数の和:9361

約数の個数: 16

約数和(自身を含む): 50791104

約数和(自身を除く): 22667374

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 9043, 18086, 45215, 90430, 2812373, 5624746, 14061865, 28123730]

約数ペア:

[(1, 28123730), (2, 14061865), (5, 5624746), (10, 2812373), (311, 90430), (622, 45215), (1555, 18086), (3110, 9043)]