15679993225

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{313}}^1$

素因数の和:587

約数の個数: 72

約数和(自身を含む): 21546870912

約数和(自身を除く): 5866877687

約数列:

[1, 5, 13, 25, 65, 71, 167, 169, 313, 325, 355, 835, 845, 923, 1565, 1775, 2171, 4069, 4175, 4225, 4615, 7825, 10855, 11857, 11999, 20345, 22223, 23075, 28223, 52271, 52897, 54275, 59285, 59995, 101725, 111115, 141115, 154141, 261355, 264485, 288899, 296425, 299975, 555575, 679523, 705575, 770705, 1306775, 1322425, 1444495, 2003833, 3397615, 3711241, 3755687, 3853525, 7222475, 8833799, 10019165, 16988075, 18556205, 18778435, 44168995, 48246133, 50095825, 92781025, 93892175, 220844975, 241230665, 627199729, 1206153325, 3135998645, 15679993225]

約数ペア:

[(1, 15679993225), (5, 3135998645), (13, 1206153325), (25, 627199729), (65, 241230665), (71, 220844975), (167, 93892175), (169, 92781025), (313, 50095825), (325, 48246133), (355, 44168995), (835, 18778435), (845, 18556205), (923, 16988075), (1565, 10019165), (1775, 8833799), (2171, 7222475), (4069, 3853525), (4175, 3755687), (4225, 3711241), (4615, 3397615), (7825, 2003833), (10855, 1444495), (11857, 1322425), (11999, 1306775), (20345, 770705), (22223, 705575), (23075, 679523), (28223, 555575), (52271, 299975), (52897, 296425), (54275, 288899), (59285, 264485), (59995, 261355), (101725, 154141), (111115, 141115)]