28087345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 40005504

約数和(自身を除く): 11918159

約数列:

[1, 5, 11, 13, 55, 65, 143, 163, 241, 715, 815, 1205, 1793, 2119, 2651, 3133, 8965, 10595, 13255, 15665, 23309, 34463, 39283, 116545, 172315, 196415, 432113, 510679, 2160565, 2553395, 5617469, 28087345]

約数ペア:

[(1, 28087345), (5, 5617469), (11, 2553395), (13, 2160565), (55, 510679), (65, 432113), (143, 196415), (163, 172315), (241, 116545), (715, 39283), (815, 34463), (1205, 23309), (1793, 15665), (2119, 13255), (2651, 10595), (3133, 8965)]