261193669165

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{50857}}^1$

素因数の和:51550

約数の個数: 48

約数和(自身を含む): 371593366704

約数和(自身を除く): 110399697539

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 605, 653, 715, 1573, 3265, 7183, 7865, 8489, 35915, 42445, 50857, 79013, 93379, 254285, 395065, 466895, 559427, 661141, 1027169, 2797135, 3305705, 5135845, 6153697, 7272551, 30768485, 33209621, 36362755, 79998061, 166048105, 365305831, 399990305, 431725073, 1826529155, 2158625365, 4018364141, 4748975803, 20091820705, 23744879015, 52238733833, 261193669165]

約数ペア:

[(1, 261193669165), (5, 52238733833), (11, 23744879015), (13, 20091820705), (55, 4748975803), (65, 4018364141), (121, 2158625365), (143, 1826529155), (605, 431725073), (653, 399990305), (715, 365305831), (1573, 166048105), (3265, 79998061), (7183, 36362755), (7865, 33209621), (8489, 30768485), (35915, 7272551), (42445, 6153697), (50857, 5135845), (79013, 3305705), (93379, 2797135), (254285, 1027169), (395065, 661141), (466895, 559427)]