81695668

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{367}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 157651200

約数和(自身を除く): 75955532

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 101, 116, 202, 367, 404, 551, 734, 1102, 1468, 1919, 2204, 2929, 3838, 5858, 6973, 7676, 10643, 11716, 13946, 21286, 27892, 37067, 42572, 55651, 74134, 111302, 148268, 202217, 222604, 404434, 704273, 808868, 1074943, 1408546, 2149886, 2817092, 4299772, 20423917, 40847834, 81695668]

約数ペア:

[(1, 81695668), (2, 40847834), (4, 20423917), (19, 4299772), (29, 2817092), (38, 2149886), (58, 1408546), (76, 1074943), (101, 808868), (116, 704273), (202, 404434), (367, 222604), (404, 202217), (551, 148268), (734, 111302), (1102, 74134), (1468, 55651), (1919, 42572), (2204, 37067), (2929, 27892), (3838, 21286), (5858, 13946), (6973, 11716), (7676, 10643)]