205410786

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{257407}}^1$

素因数の和:257438

約数の個数: 32

約数和(自身を含む): 494223360

約数和(自身を除く): 288812574

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 257407, 514814, 772221, 1544442, 1801849, 3603698, 4890733, 5405547, 9781466, 10811094, 14672199, 29344398, 34235131, 68470262, 102705393, 205410786]

約数ペア:

[(1, 205410786), (2, 102705393), (3, 68470262), (6, 34235131), (7, 29344398), (14, 14672199), (19, 10811094), (21, 9781466), (38, 5405547), (42, 4890733), (57, 3603698), (114, 1801849), (133, 1544442), (266, 772221), (399, 514814), (798, 257407)]