25898769

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{449}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 44226000

約数和(自身を除く): 18327231

約数列:

[1, 3, 9, 13, 17, 29, 39, 51, 87, 117, 153, 221, 261, 377, 449, 493, 663, 1131, 1347, 1479, 1989, 3393, 4041, 4437, 5837, 6409, 7633, 13021, 17511, 19227, 22899, 39063, 52533, 57681, 68697, 99229, 117189, 169273, 221357, 297687, 507819, 664071, 893061, 1523457, 1992213, 2877641, 8632923, 25898769]

約数ペア:

[(1, 25898769), (3, 8632923), (9, 2877641), (13, 1992213), (17, 1523457), (29, 893061), (39, 664071), (51, 507819), (87, 297687), (117, 221357), (153, 169273), (221, 117189), (261, 99229), (377, 68697), (449, 57681), (493, 52533), (663, 39063), (1131, 22899), (1347, 19227), (1479, 17511), (1989, 13021), (3393, 7633), (4041, 6409), (4437, 5837)]