209804868

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1307}}^1$

素因数の和:1351

約数の個数: 144

約数和(自身を含む): 666556800

約数和(自身を除く): 456751932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 117, 126, 147, 156, 182, 196, 234, 252, 273, 294, 343, 364, 441, 468, 546, 588, 637, 686, 819, 882, 1029, 1092, 1274, 1307, 1372, 1638, 1764, 1911, 2058, 2548, 2614, 3087, 3276, 3822, 3921, 4116, 4459, 5228, 5733, 6174, 7644, 7842, 8918, 9149, 11466, 11763, 12348, 13377, 15684, 16991, 17836, 18298, 22932, 23526, 26754, 27447, 33982, 36596, 40131, 47052, 50973, 53508, 54894, 64043, 67964, 80262, 82341, 101946, 109788, 118937, 128086, 152919, 160524, 164682, 192129, 203892, 237874, 256172, 305838, 329364, 356811, 384258, 448301, 475748, 576387, 611676, 713622, 768516, 832559, 896602, 1070433, 1152774, 1344903, 1427244, 1665118, 1793204, 2140866, 2305548, 2497677, 2689806, 3330236, 4034709, 4281732, 4995354, 5379612, 5827913, 7493031, 8069418, 9990708, 11655826, 14986062, 16138836, 17483739, 23311652, 29972124, 34967478, 52451217, 69934956, 104902434, 209804868]

約数ペア:

[(1, 209804868), (2, 104902434), (3, 69934956), (4, 52451217), (6, 34967478), (7, 29972124), (9, 23311652), (12, 17483739), (13, 16138836), (14, 14986062), (18, 11655826), (21, 9990708), (26, 8069418), (28, 7493031), (36, 5827913), (39, 5379612), (42, 4995354), (49, 4281732), (52, 4034709), (63, 3330236), (78, 2689806), (84, 2497677), (91, 2305548), (98, 2140866), (117, 1793204), (126, 1665118), (147, 1427244), (156, 1344903), (182, 1152774), (196, 1070433), (234, 896602), (252, 832559), (273, 768516), (294, 713622), (343, 611676), (364, 576387), (441, 475748), (468, 448301), (546, 384258), (588, 356811), (637, 329364), (686, 305838), (819, 256172), (882, 237874), (1029, 203892), (1092, 192129), (1274, 164682), (1307, 160524), (1372, 152919), (1638, 128086), (1764, 118937), (1911, 109788), (2058, 101946), (2548, 82341), (2614, 80262), (3087, 67964), (3276, 64043), (3822, 54894), (3921, 53508), (4116, 50973), (4459, 47052), (5228, 40131), (5733, 36596), (6174, 33982), (7644, 27447), (7842, 26754), (8918, 23526), (9149, 22932), (11466, 18298), (11763, 17836), (12348, 16991), (13377, 15684)]