251135716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{49789}}^1$

素因数の和:49903

約数の個数: 24

約数和(自身を含む): 478183160

約数和(自身を除く): 227047444

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 5044, 49789, 99578, 199156, 647257, 1294514, 2589028, 4829533, 9659066, 19318132, 62783929, 125567858, 251135716]

約数ペア:

[(1, 251135716), (2, 125567858), (4, 62783929), (13, 19318132), (26, 9659066), (52, 4829533), (97, 2589028), (194, 1294514), (388, 647257), (1261, 199156), (2522, 99578), (5044, 49789)]