25195976

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 55036800

約数和(自身を除く): 29840824

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 41, 52, 76, 82, 104, 152, 164, 247, 311, 328, 494, 533, 622, 779, 988, 1066, 1244, 1558, 1976, 2132, 2488, 3116, 4043, 4264, 5909, 6232, 8086, 10127, 11818, 12751, 16172, 20254, 23636, 25502, 32344, 40508, 47272, 51004, 76817, 81016, 102008, 153634, 165763, 242269, 307268, 331526, 484538, 614536, 663052, 969076, 1326104, 1938152, 3149497, 6298994, 12597988, 25195976]

約数ペア:

[(1, 25195976), (2, 12597988), (4, 6298994), (8, 3149497), (13, 1938152), (19, 1326104), (26, 969076), (38, 663052), (41, 614536), (52, 484538), (76, 331526), (82, 307268), (104, 242269), (152, 165763), (164, 153634), (247, 102008), (311, 81016), (328, 76817), (494, 51004), (533, 47272), (622, 40508), (779, 32344), (988, 25502), (1066, 23636), (1244, 20254), (1558, 16172), (1976, 12751), (2132, 11818), (2488, 10127), (3116, 8086), (4043, 6232), (4264, 5909)]