28900430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{222311}}^1$

素因数の和:222331

約数の個数: 16

約数和(自身を含む): 56022624

約数和(自身を除く): 27122194

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 222311, 444622, 1111555, 2223110, 2890043, 5780086, 14450215, 28900430]

約数ペア:

[(1, 28900430), (2, 14450215), (5, 5780086), (10, 2890043), (13, 2223110), (26, 1111555), (65, 444622), (130, 222311)]