28260076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{543463}}^1$

素因数の和:543480

約数の個数: 12

約数和(自身を含む): 53259472

約数和(自身を除く): 24999396

約数列:

[1, 2, 4, 13, 26, 52, 543463, 1086926, 2173852, 7065019, 14130038, 28260076]

約数ペア:

[(1, 28260076), (2, 14130038), (4, 7065019), (13, 2173852), (26, 1086926), (52, 543463)]