261786148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{122789}}^1$

素因数の和:122847

約数の個数: 24

約数和(自身を含む): 505403640

約数和(自身を除く): 243617492

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 1066, 2132, 122789, 245578, 491156, 1596257, 3192514, 5034349, 6385028, 10068698, 20137396, 65446537, 130893074, 261786148]

約数ペア:

[(1, 261786148), (2, 130893074), (4, 65446537), (13, 20137396), (26, 10068698), (41, 6385028), (52, 5034349), (82, 3192514), (164, 1596257), (533, 491156), (1066, 245578), (2132, 122789)]