28282163

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1531}}^1$

素因数の和:1587

約数の個数: 24

約数和(自身を含む): 36676080

約数和(自身を除く): 8393917

約数列:

[1, 7, 13, 29, 49, 91, 203, 377, 637, 1421, 1531, 2639, 10717, 18473, 19903, 44399, 75019, 139321, 310793, 577187, 975247, 2175551, 4040309, 28282163]

約数ペア:

[(1, 28282163), (7, 4040309), (13, 2175551), (29, 975247), (49, 577187), (91, 310793), (203, 139321), (377, 75019), (637, 44399), (1421, 19903), (1531, 18473), (2639, 10717)]