28513224

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^2\times {\mathrm{1097}}^1$

素因数の和:1147

約数の個数: 72

約数和(自身を含む): 81575910

約数和(自身を除く): 53062686

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 361, 456, 684, 722, 1083, 1097, 1368, 1444, 2166, 2194, 2888, 3249, 3291, 4332, 4388, 6498, 6582, 8664, 8776, 9873, 12996, 13164, 19746, 20843, 25992, 26328, 39492, 41686, 62529, 78984, 83372, 125058, 166744, 187587, 250116, 375174, 396017, 500232, 750348, 792034, 1188051, 1500696, 1584068, 2376102, 3168136, 3564153, 4752204, 7128306, 9504408, 14256612, 28513224]

約数ペア:

[(1, 28513224), (2, 14256612), (3, 9504408), (4, 7128306), (6, 4752204), (8, 3564153), (9, 3168136), (12, 2376102), (18, 1584068), (19, 1500696), (24, 1188051), (36, 792034), (38, 750348), (57, 500232), (72, 396017), (76, 375174), (114, 250116), (152, 187587), (171, 166744), (228, 125058), (342, 83372), (361, 78984), (456, 62529), (684, 41686), (722, 39492), (1083, 26328), (1097, 25992), (1368, 20843), (1444, 19746), (2166, 13164), (2194, 12996), (2888, 9873), (3249, 8776), (3291, 8664), (4332, 6582), (4388, 6498)]