17966679575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{26849}}^1$

素因数の和:26972

約数の個数: 48

約数和(自身を含む): 25170264000

約数和(自身を除く): 7203584425

約数列:

[1, 5, 13, 25, 29, 65, 71, 145, 325, 355, 377, 725, 923, 1775, 1885, 2059, 4615, 9425, 10295, 23075, 26767, 26849, 51475, 133835, 134245, 349037, 669175, 671225, 778621, 1745185, 1906279, 3893105, 8725925, 9531395, 10122073, 19465525, 24781627, 47656975, 50610365, 55282091, 123908135, 253051825, 276410455, 619540675, 718667183, 1382052275, 3593335915, 17966679575]

約数ペア:

[(1, 17966679575), (5, 3593335915), (13, 1382052275), (25, 718667183), (29, 619540675), (65, 276410455), (71, 253051825), (145, 123908135), (325, 55282091), (355, 50610365), (377, 47656975), (725, 24781627), (923, 19465525), (1775, 10122073), (1885, 9531395), (2059, 8725925), (4615, 3893105), (9425, 1906279), (10295, 1745185), (23075, 778621), (26767, 671225), (26849, 669175), (51475, 349037), (133835, 134245)]