28555254

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1$

素因数の和:196

約数の個数: 120

約数和(自身を含む): 79714800

約数和(自身を除く): 51159546

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 81, 91, 117, 126, 149, 162, 169, 182, 189, 234, 273, 298, 338, 351, 378, 447, 507, 546, 567, 702, 819, 894, 1014, 1043, 1053, 1134, 1183, 1341, 1521, 1638, 1937, 2086, 2106, 2366, 2457, 2682, 3042, 3129, 3549, 3874, 4023, 4563, 4914, 5811, 6258, 7098, 7371, 8046, 9126, 9387, 10647, 11622, 12069, 13559, 13689, 14742, 17433, 18774, 21294, 24138, 25181, 27118, 27378, 28161, 31941, 34866, 40677, 50362, 52299, 56322, 63882, 75543, 81354, 84483, 95823, 104598, 122031, 151086, 156897, 168966, 176267, 191646, 226629, 244062, 313794, 352534, 366093, 453258, 528801, 679887, 732186, 1057602, 1098279, 1359774, 1586403, 2039661, 2196558, 3172806, 4079322, 4759209, 9518418, 14277627, 28555254]

約数ペア:

[(1, 28555254), (2, 14277627), (3, 9518418), (6, 4759209), (7, 4079322), (9, 3172806), (13, 2196558), (14, 2039661), (18, 1586403), (21, 1359774), (26, 1098279), (27, 1057602), (39, 732186), (42, 679887), (54, 528801), (63, 453258), (78, 366093), (81, 352534), (91, 313794), (117, 244062), (126, 226629), (149, 191646), (162, 176267), (169, 168966), (182, 156897), (189, 151086), (234, 122031), (273, 104598), (298, 95823), (338, 84483), (351, 81354), (378, 75543), (447, 63882), (507, 56322), (546, 52299), (567, 50362), (702, 40677), (819, 34866), (894, 31941), (1014, 28161), (1043, 27378), (1053, 27118), (1134, 25181), (1183, 24138), (1341, 21294), (1521, 18774), (1638, 17433), (1937, 14742), (2086, 13689), (2106, 13559), (2366, 12069), (2457, 11622), (2682, 10647), (3042, 9387), (3129, 9126), (3549, 8046), (3874, 7371), (4023, 7098), (4563, 6258), (4914, 5811)]