28299726

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{443}}^1$

素因数の和:487

約数の個数: 96

約数和(自身を含む): 78001920

約数和(自身を除く): 49702194

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 169, 182, 189, 234, 273, 338, 351, 378, 443, 507, 546, 702, 819, 886, 1014, 1183, 1329, 1521, 1638, 2366, 2457, 2658, 3042, 3101, 3549, 3987, 4563, 4914, 5759, 6202, 7098, 7974, 9126, 9303, 10647, 11518, 11961, 17277, 18606, 21294, 23922, 27909, 31941, 34554, 40313, 51831, 55818, 63882, 74867, 80626, 83727, 103662, 120939, 149734, 155493, 167454, 224601, 241878, 310986, 362817, 449202, 524069, 673803, 725634, 1048138, 1088451, 1347606, 1572207, 2021409, 2176902, 3144414, 4042818, 4716621, 9433242, 14149863, 28299726]

約数ペア:

[(1, 28299726), (2, 14149863), (3, 9433242), (6, 4716621), (7, 4042818), (9, 3144414), (13, 2176902), (14, 2021409), (18, 1572207), (21, 1347606), (26, 1088451), (27, 1048138), (39, 725634), (42, 673803), (54, 524069), (63, 449202), (78, 362817), (91, 310986), (117, 241878), (126, 224601), (169, 167454), (182, 155493), (189, 149734), (234, 120939), (273, 103662), (338, 83727), (351, 80626), (378, 74867), (443, 63882), (507, 55818), (546, 51831), (702, 40313), (819, 34554), (886, 31941), (1014, 27909), (1183, 23922), (1329, 21294), (1521, 18606), (1638, 17277), (2366, 11961), (2457, 11518), (2658, 10647), (3042, 9303), (3101, 9126), (3549, 7974), (3987, 7098), (4563, 6202), (4914, 5759)]