28215054

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:339

約数の個数: 80

約数和(自身を含む): 73180800

約数和(自身を除く): 44965746

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 139, 162, 179, 189, 278, 358, 378, 417, 537, 567, 834, 973, 1074, 1134, 1251, 1253, 1611, 1946, 2502, 2506, 2919, 3222, 3753, 3759, 4833, 5838, 7506, 7518, 8757, 9666, 11259, 11277, 14499, 17514, 22518, 22554, 24881, 26271, 28998, 33831, 49762, 52542, 67662, 74643, 78813, 101493, 149286, 157626, 174167, 202986, 223929, 348334, 447858, 522501, 671787, 1045002, 1343574, 1567503, 2015361, 3135006, 4030722, 4702509, 9405018, 14107527, 28215054]

約数ペア:

[(1, 28215054), (2, 14107527), (3, 9405018), (6, 4702509), (7, 4030722), (9, 3135006), (14, 2015361), (18, 1567503), (21, 1343574), (27, 1045002), (42, 671787), (54, 522501), (63, 447858), (81, 348334), (126, 223929), (139, 202986), (162, 174167), (179, 157626), (189, 149286), (278, 101493), (358, 78813), (378, 74643), (417, 67662), (537, 52542), (567, 49762), (834, 33831), (973, 28998), (1074, 26271), (1134, 24881), (1251, 22554), (1253, 22518), (1611, 17514), (1946, 14499), (2502, 11277), (2506, 11259), (2919, 9666), (3222, 8757), (3753, 7518), (3759, 7506), (4833, 5838)]