28188972

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{1381}}^1$

素因数の和:1410

約数の個数: 84

約数和(自身を含む): 84589456

約数和(自身を除く): 56400484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 729, 756, 972, 1134, 1381, 1458, 1701, 2268, 2762, 2916, 3402, 4143, 5103, 5524, 6804, 8286, 9667, 10206, 12429, 16572, 19334, 20412, 24858, 29001, 37287, 38668, 49716, 58002, 74574, 87003, 111861, 116004, 149148, 174006, 223722, 261009, 335583, 348012, 447444, 522018, 671166, 783027, 1006749, 1044036, 1342332, 1566054, 2013498, 2349081, 3132108, 4026996, 4698162, 7047243, 9396324, 14094486, 28188972]

約数ペア:

[(1, 28188972), (2, 14094486), (3, 9396324), (4, 7047243), (6, 4698162), (7, 4026996), (9, 3132108), (12, 2349081), (14, 2013498), (18, 1566054), (21, 1342332), (27, 1044036), (28, 1006749), (36, 783027), (42, 671166), (54, 522018), (63, 447444), (81, 348012), (84, 335583), (108, 261009), (126, 223722), (162, 174006), (189, 149148), (243, 116004), (252, 111861), (324, 87003), (378, 74574), (486, 58002), (567, 49716), (729, 38668), (756, 37287), (972, 29001), (1134, 24858), (1381, 20412), (1458, 19334), (1701, 16572), (2268, 12429), (2762, 10206), (2916, 9667), (3402, 8286), (4143, 6804), (5103, 5524)]