25321395

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 47900160

約数和(自身を除く): 22578765

約数列:

[1, 3, 5, 11, 15, 19, 33, 41, 55, 57, 95, 123, 165, 197, 205, 209, 285, 451, 591, 615, 627, 779, 985, 1045, 1353, 2167, 2255, 2337, 2955, 3135, 3743, 3895, 6501, 6765, 8077, 8569, 10835, 11229, 11685, 18715, 24231, 25707, 32505, 40385, 41173, 42845, 56145, 88847, 121155, 123519, 128535, 153463, 205865, 266541, 444235, 460389, 617595, 767315, 1332705, 1688093, 2301945, 5064279, 8440465, 25321395]

約数ペア:

[(1, 25321395), (3, 8440465), (5, 5064279), (11, 2301945), (15, 1688093), (19, 1332705), (33, 767315), (41, 617595), (55, 460389), (57, 444235), (95, 266541), (123, 205865), (165, 153463), (197, 128535), (205, 123519), (209, 121155), (285, 88847), (451, 56145), (591, 42845), (615, 41173), (627, 40385), (779, 32505), (985, 25707), (1045, 24231), (1353, 18715), (2167, 11685), (2255, 11229), (2337, 10835), (2955, 8569), (3135, 8077), (3743, 6765), (3895, 6501)]