28250378

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:183

約数の個数: 48

約数和(自身を含む): 49805280

約数和(自身を除く): 21554902

約数列:

[1, 2, 13, 19, 26, 38, 53, 83, 106, 166, 169, 247, 338, 494, 689, 1007, 1079, 1378, 1577, 2014, 2158, 3154, 3211, 4399, 6422, 8798, 8957, 13091, 14027, 17914, 20501, 26182, 28054, 41002, 57187, 83581, 114374, 167162, 170183, 266513, 340366, 533026, 743431, 1086553, 1486862, 2173106, 14125189, 28250378]

約数ペア:

[(1, 28250378), (2, 14125189), (13, 2173106), (19, 1486862), (26, 1086553), (38, 743431), (53, 533026), (83, 340366), (106, 266513), (166, 170183), (169, 167162), (247, 114374), (338, 83581), (494, 57187), (689, 41002), (1007, 28054), (1079, 26182), (1378, 20501), (1577, 17914), (2014, 14027), (2158, 13091), (3154, 8957), (3211, 8798), (4399, 6422)]