28222285

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8861}}^1$

素因数の和:8893

約数の個数: 24

約数和(自身を含む): 42431256

約数和(自身を除く): 14208971

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 8861, 44305, 62027, 115193, 310135, 434189, 575965, 806351, 2170945, 4031755, 5644457, 28222285]

約数ペア:

[(1, 28222285), (5, 5644457), (7, 4031755), (13, 2170945), (35, 806351), (49, 575965), (65, 434189), (91, 310135), (245, 115193), (455, 62027), (637, 44305), (3185, 8861)]