25659513

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 43130880

約数和(自身を除く): 17471367

約数列:

[1, 3, 9, 11, 23, 33, 59, 69, 99, 177, 191, 207, 253, 531, 573, 649, 759, 1357, 1719, 1947, 2101, 2277, 4071, 4393, 5841, 6303, 11269, 12213, 13179, 14927, 18909, 33807, 39537, 44781, 48323, 101421, 123959, 134343, 144969, 259187, 371877, 434907, 777561, 1115631, 2332683, 2851057, 8553171, 25659513]

約数ペア:

[(1, 25659513), (3, 8553171), (9, 2851057), (11, 2332683), (23, 1115631), (33, 777561), (59, 434907), (69, 371877), (99, 259187), (177, 144969), (191, 134343), (207, 123959), (253, 101421), (531, 48323), (573, 44781), (649, 39537), (759, 33807), (1357, 18909), (1719, 14927), (1947, 13179), (2101, 12213), (2277, 11269), (4071, 6303), (4393, 5841)]