1664983216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1733}}^1$

素因数の和:1934

約数の個数: 80

約数和(自身を含む): 3612268800

約数和(自身を除く): 1947285584

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 149, 208, 248, 298, 403, 496, 596, 806, 1192, 1612, 1733, 1937, 2384, 3224, 3466, 3874, 4619, 6448, 6932, 7748, 9238, 13864, 15496, 18476, 22529, 27728, 30992, 36952, 45058, 53723, 60047, 73904, 90116, 107446, 120094, 180232, 214892, 240188, 258217, 360464, 429784, 480376, 516434, 698399, 859568, 960752, 1032868, 1396798, 2065736, 2793596, 3356821, 4131472, 5587192, 6713642, 8004727, 11174384, 13427284, 16009454, 26854568, 32018908, 53709136, 64037816, 104061451, 128075632, 208122902, 416245804, 832491608, 1664983216]

約数ペア:

[(1, 1664983216), (2, 832491608), (4, 416245804), (8, 208122902), (13, 128075632), (16, 104061451), (26, 64037816), (31, 53709136), (52, 32018908), (62, 26854568), (104, 16009454), (124, 13427284), (149, 11174384), (208, 8004727), (248, 6713642), (298, 5587192), (403, 4131472), (496, 3356821), (596, 2793596), (806, 2065736), (1192, 1396798), (1612, 1032868), (1733, 960752), (1937, 859568), (2384, 698399), (3224, 516434), (3466, 480376), (3874, 429784), (4619, 360464), (6448, 258217), (6932, 240188), (7748, 214892), (9238, 180232), (13864, 120094), (15496, 107446), (18476, 90116), (22529, 73904), (27728, 60047), (30992, 53723), (36952, 45058)]