28326872

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{337}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 64896000

約数和(自身を除く): 36569128

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 79, 133, 152, 158, 266, 316, 337, 532, 553, 632, 674, 1064, 1106, 1348, 1501, 2212, 2359, 2696, 3002, 4424, 4718, 6004, 6403, 9436, 10507, 12008, 12806, 18872, 21014, 25612, 26623, 42028, 44821, 51224, 53246, 84056, 89642, 106492, 179284, 186361, 212984, 358568, 372722, 505837, 745444, 1011674, 1490888, 2023348, 3540859, 4046696, 7081718, 14163436, 28326872]

約数ペア:

[(1, 28326872), (2, 14163436), (4, 7081718), (7, 4046696), (8, 3540859), (14, 2023348), (19, 1490888), (28, 1011674), (38, 745444), (56, 505837), (76, 372722), (79, 358568), (133, 212984), (152, 186361), (158, 179284), (266, 106492), (316, 89642), (337, 84056), (532, 53246), (553, 51224), (632, 44821), (674, 42028), (1064, 26623), (1106, 25612), (1348, 21014), (1501, 18872), (2212, 12806), (2359, 12008), (2696, 10507), (3002, 9436), (4424, 6403), (4718, 6004)]