205044905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{1913}}^1$

素因数の和:2045

約数の個数: 32

約数和(自身を含む): 283608864

約数和(自身を除く): 78563959

約数列:

[1, 5, 13, 17, 65, 85, 97, 221, 485, 1105, 1261, 1649, 1913, 6305, 8245, 9565, 21437, 24869, 32521, 107185, 124345, 162605, 185561, 422773, 927805, 2113865, 2412293, 3154537, 12061465, 15772685, 41008981, 205044905]

約数ペア:

[(1, 205044905), (5, 41008981), (13, 15772685), (17, 12061465), (65, 3154537), (85, 2412293), (97, 2113865), (221, 927805), (485, 422773), (1105, 185561), (1261, 162605), (1649, 124345), (1913, 107185), (6305, 32521), (8245, 24869), (9565, 21437)]