256760972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1069}}^1$

素因数の和:1266

約数の個数: 48

約数和(自身を含む): 503328000

約数和(自身を除く): 246567028

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 149, 298, 403, 596, 806, 1069, 1612, 1937, 2138, 3874, 4276, 4619, 7748, 9238, 13897, 18476, 27794, 33139, 55588, 60047, 66278, 120094, 132556, 159281, 240188, 318562, 430807, 637124, 861614, 1723228, 2070653, 4141306, 4937711, 8282612, 9875422, 19750844, 64190243, 128380486, 256760972]

約数ペア:

[(1, 256760972), (2, 128380486), (4, 64190243), (13, 19750844), (26, 9875422), (31, 8282612), (52, 4937711), (62, 4141306), (124, 2070653), (149, 1723228), (298, 861614), (403, 637124), (596, 430807), (806, 318562), (1069, 240188), (1612, 159281), (1937, 132556), (2138, 120094), (3874, 66278), (4276, 60047), (4619, 55588), (7748, 33139), (9238, 27794), (13897, 18476)]