26328575

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 40997376

約数和(自身を除く): 14668801

約数列:

[1, 5, 7, 13, 25, 35, 65, 71, 91, 163, 175, 325, 355, 455, 497, 815, 923, 1141, 1775, 2119, 2275, 2485, 4075, 4615, 5705, 6461, 10595, 11573, 12425, 14833, 23075, 28525, 32305, 52975, 57865, 74165, 81011, 150449, 161525, 289325, 370825, 405055, 752245, 1053143, 2025275, 3761225, 5265715, 26328575]

約数ペア:

[(1, 26328575), (5, 5265715), (7, 3761225), (13, 2025275), (25, 1053143), (35, 752245), (65, 405055), (71, 370825), (91, 289325), (163, 161525), (175, 150449), (325, 81011), (355, 74165), (455, 57865), (497, 52975), (815, 32305), (923, 28525), (1141, 23075), (1775, 14833), (2119, 12425), (2275, 11573), (2485, 10595), (4075, 6461), (4615, 5705)]