28957292

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:175

約数の個数: 96

約数和(自身を含む): 67737600

約数和(自身を除く): 38780308

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 53, 76, 79, 91, 106, 133, 158, 182, 212, 247, 266, 316, 364, 371, 494, 532, 553, 689, 742, 988, 1007, 1027, 1106, 1378, 1484, 1501, 1729, 2014, 2054, 2212, 2756, 3002, 3458, 4028, 4108, 4187, 4823, 6004, 6916, 7049, 7189, 8374, 9646, 10507, 13091, 14098, 14378, 16748, 19292, 19513, 21014, 26182, 28196, 28756, 29309, 39026, 42028, 52364, 54431, 58618, 78052, 79553, 91637, 108862, 117236, 136591, 159106, 183274, 217724, 273182, 318212, 366548, 381017, 546364, 556871, 762034, 1034189, 1113742, 1524068, 2068378, 2227484, 4136756, 7239323, 14478646, 28957292]

約数ペア:

[(1, 28957292), (2, 14478646), (4, 7239323), (7, 4136756), (13, 2227484), (14, 2068378), (19, 1524068), (26, 1113742), (28, 1034189), (38, 762034), (52, 556871), (53, 546364), (76, 381017), (79, 366548), (91, 318212), (106, 273182), (133, 217724), (158, 183274), (182, 159106), (212, 136591), (247, 117236), (266, 108862), (316, 91637), (364, 79553), (371, 78052), (494, 58618), (532, 54431), (553, 52364), (689, 42028), (742, 39026), (988, 29309), (1007, 28756), (1027, 28196), (1106, 26182), (1378, 21014), (1484, 19513), (1501, 19292), (1729, 16748), (2014, 14378), (2054, 14098), (2212, 13091), (2756, 10507), (3002, 9646), (3458, 8374), (4028, 7189), (4108, 7049), (4187, 6916), (4823, 6004)]