28112084

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 72394560

約数和(自身を除く): 44282476

約数列:

[1, 2, 4, 7, 11, 13, 14, 17, 22, 26, 28, 34, 44, 49, 52, 59, 68, 77, 91, 98, 118, 119, 143, 154, 182, 187, 196, 221, 236, 238, 286, 308, 364, 374, 413, 442, 476, 539, 572, 637, 649, 748, 767, 826, 833, 884, 1001, 1003, 1078, 1274, 1298, 1309, 1534, 1547, 1652, 1666, 2002, 2006, 2156, 2431, 2548, 2596, 2618, 2891, 3068, 3094, 3332, 4004, 4012, 4543, 4862, 5236, 5369, 5782, 6188, 7007, 7021, 8437, 9086, 9163, 9724, 10738, 10829, 11033, 11564, 13039, 14014, 14042, 16874, 17017, 18172, 18326, 21476, 21658, 22066, 26078, 28028, 28084, 31801, 33748, 34034, 36652, 37583, 43316, 44132, 49147, 52156, 59059, 63602, 68068, 75166, 77231, 91273, 98294, 118118, 119119, 127204, 143429, 150332, 154462, 182546, 196588, 236236, 238238, 286858, 308924, 365092, 413413, 476476, 540617, 573716, 638911, 826826, 1004003, 1081234, 1277822, 1653652, 2008006, 2162468, 2555644, 4016012, 7028021, 14056042, 28112084]

約数ペア:

[(1, 28112084), (2, 14056042), (4, 7028021), (7, 4016012), (11, 2555644), (13, 2162468), (14, 2008006), (17, 1653652), (22, 1277822), (26, 1081234), (28, 1004003), (34, 826826), (44, 638911), (49, 573716), (52, 540617), (59, 476476), (68, 413413), (77, 365092), (91, 308924), (98, 286858), (118, 238238), (119, 236236), (143, 196588), (154, 182546), (182, 154462), (187, 150332), (196, 143429), (221, 127204), (236, 119119), (238, 118118), (286, 98294), (308, 91273), (364, 77231), (374, 75166), (413, 68068), (442, 63602), (476, 59059), (539, 52156), (572, 49147), (637, 44132), (649, 43316), (748, 37583), (767, 36652), (826, 34034), (833, 33748), (884, 31801), (1001, 28084), (1003, 28028), (1078, 26078), (1274, 22066), (1298, 21658), (1309, 21476), (1534, 18326), (1547, 18172), (1652, 17017), (1666, 16874), (2002, 14042), (2006, 14014), (2156, 13039), (2431, 11564), (2548, 11033), (2596, 10829), (2618, 10738), (2891, 9724), (3068, 9163), (3094, 9086), (3332, 8437), (4004, 7021), (4012, 7007), (4543, 6188), (4862, 5782), (5236, 5369)]