216906235

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{1721}}^1$

素因数の和:2023

約数の個数: 32

約数和(自身を含む): 321697152

約数和(自身を除く): 104790917

約数列:

[1, 5, 7, 13, 35, 65, 91, 277, 455, 1385, 1721, 1939, 3601, 8605, 9695, 12047, 18005, 22373, 25207, 60235, 111865, 126035, 156611, 476717, 783055, 2383585, 3337019, 6197321, 16685095, 30986605, 43381247, 216906235]

約数ペア:

[(1, 216906235), (5, 43381247), (7, 30986605), (13, 16685095), (35, 6197321), (65, 3337019), (91, 2383585), (277, 783055), (455, 476717), (1385, 156611), (1721, 126035), (1939, 111865), (3601, 60235), (8605, 25207), (9695, 22373), (12047, 18005)]