1644659324

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:508

約数の個数: 144

約数和(自身を含む): 3831740640

約数和(自身を除く): 2187081316

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 49, 53, 74, 77, 98, 106, 148, 154, 196, 212, 259, 308, 371, 389, 407, 518, 539, 583, 742, 778, 814, 1036, 1078, 1166, 1484, 1556, 1628, 1813, 1961, 2156, 2332, 2597, 2723, 2849, 3626, 3922, 4081, 4279, 5194, 5446, 5698, 7252, 7844, 8162, 8558, 10388, 10892, 11396, 13727, 14393, 16324, 17116, 19061, 19943, 20617, 21571, 27454, 28567, 28786, 29953, 38122, 39886, 41234, 43142, 54908, 57134, 57572, 59906, 76244, 79772, 82468, 86284, 96089, 100751, 114268, 119812, 144319, 150997, 158323, 192178, 201502, 209671, 226787, 288638, 301994, 316646, 384356, 403004, 419342, 453574, 577276, 603988, 633292, 705257, 762829, 838684, 907148, 1010233, 1056979, 1108261, 1410514, 1525658, 1587509, 2020466, 2113958, 2216522, 2821028, 3051316, 3175018, 4040932, 4227916, 4433044, 5339803, 6350036, 7757827, 8391119, 10679606, 11112563, 15515654, 16782238, 21359212, 22225126, 31031308, 33564476, 37378621, 44450252, 58737833, 74757242, 117475666, 149514484, 234951332, 411164831, 822329662, 1644659324]

約数ペア:

[(1, 1644659324), (2, 822329662), (4, 411164831), (7, 234951332), (11, 149514484), (14, 117475666), (22, 74757242), (28, 58737833), (37, 44450252), (44, 37378621), (49, 33564476), (53, 31031308), (74, 22225126), (77, 21359212), (98, 16782238), (106, 15515654), (148, 11112563), (154, 10679606), (196, 8391119), (212, 7757827), (259, 6350036), (308, 5339803), (371, 4433044), (389, 4227916), (407, 4040932), (518, 3175018), (539, 3051316), (583, 2821028), (742, 2216522), (778, 2113958), (814, 2020466), (1036, 1587509), (1078, 1525658), (1166, 1410514), (1484, 1108261), (1556, 1056979), (1628, 1010233), (1813, 907148), (1961, 838684), (2156, 762829), (2332, 705257), (2597, 633292), (2723, 603988), (2849, 577276), (3626, 453574), (3922, 419342), (4081, 403004), (4279, 384356), (5194, 316646), (5446, 301994), (5698, 288638), (7252, 226787), (7844, 209671), (8162, 201502), (8558, 192178), (10388, 158323), (10892, 150997), (11396, 144319), (13727, 119812), (14393, 114268), (16324, 100751), (17116, 96089), (19061, 86284), (19943, 82468), (20617, 79772), (21571, 76244), (27454, 59906), (28567, 57572), (28786, 57134), (29953, 54908), (38122, 43142), (39886, 41234)]