12806255

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:120

約数の個数: 64

約数和(自身を含む): 21012480

約数和(自身を除く): 8206225

約数列:

[1, 5, 7, 11, 29, 31, 35, 37, 55, 77, 145, 155, 185, 203, 217, 259, 319, 341, 385, 407, 899, 1015, 1073, 1085, 1147, 1295, 1595, 1705, 2035, 2233, 2387, 2849, 4495, 5365, 5735, 6293, 7511, 8029, 9889, 11165, 11803, 11935, 12617, 14245, 31465, 33263, 37555, 40145, 49445, 59015, 63085, 69223, 82621, 88319, 166315, 232841, 346115, 365893, 413105, 441595, 1164205, 1829465, 2561251, 12806255]

約数ペア:

[(1, 12806255), (5, 2561251), (7, 1829465), (11, 1164205), (29, 441595), (31, 413105), (35, 365893), (37, 346115), (55, 232841), (77, 166315), (145, 88319), (155, 82621), (185, 69223), (203, 63085), (217, 59015), (259, 49445), (319, 40145), (341, 37555), (385, 33263), (407, 31465), (899, 14245), (1015, 12617), (1073, 11935), (1085, 11803), (1147, 11165), (1295, 9889), (1595, 8029), (1705, 7511), (2035, 6293), (2233, 5735), (2387, 5365), (2849, 4495)]