28756364

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 63947520

約数和(自身を除く): 35191156

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 59, 91, 103, 118, 169, 182, 206, 236, 338, 364, 412, 413, 676, 721, 767, 826, 1183, 1339, 1442, 1534, 1652, 2366, 2678, 2884, 3068, 4732, 5356, 5369, 6077, 9373, 9971, 10738, 12154, 17407, 18746, 19942, 21476, 24308, 34814, 37492, 39884, 42539, 69628, 69797, 79001, 85078, 121849, 139594, 158002, 170156, 243698, 279188, 316004, 487396, 553007, 1027013, 1106014, 2054026, 2212028, 4108052, 7189091, 14378182, 28756364]

約数ペア:

[(1, 28756364), (2, 14378182), (4, 7189091), (7, 4108052), (13, 2212028), (14, 2054026), (26, 1106014), (28, 1027013), (52, 553007), (59, 487396), (91, 316004), (103, 279188), (118, 243698), (169, 170156), (182, 158002), (206, 139594), (236, 121849), (338, 85078), (364, 79001), (412, 69797), (413, 69628), (676, 42539), (721, 39884), (767, 37492), (826, 34814), (1183, 24308), (1339, 21476), (1442, 19942), (1534, 18746), (1652, 17407), (2366, 12154), (2678, 10738), (2884, 9971), (3068, 9373), (4732, 6077), (5356, 5369)]