28945254

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 67060224

約数和(自身を除く): 38114970

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 83, 102, 166, 221, 249, 263, 442, 498, 526, 663, 789, 1079, 1326, 1411, 1578, 2158, 2822, 3237, 3419, 4233, 4471, 6474, 6838, 8466, 8942, 10257, 13413, 18343, 20514, 21829, 26826, 36686, 43658, 55029, 58123, 65487, 110058, 116246, 130974, 174369, 283777, 348738, 371093, 567554, 742186, 851331, 1113279, 1702662, 2226558, 4824209, 9648418, 14472627, 28945254]

約数ペア:

[(1, 28945254), (2, 14472627), (3, 9648418), (6, 4824209), (13, 2226558), (17, 1702662), (26, 1113279), (34, 851331), (39, 742186), (51, 567554), (78, 371093), (83, 348738), (102, 283777), (166, 174369), (221, 130974), (249, 116246), (263, 110058), (442, 65487), (498, 58123), (526, 55029), (663, 43658), (789, 36686), (1079, 26826), (1326, 21829), (1411, 20514), (1578, 18343), (2158, 13413), (2822, 10257), (3237, 8942), (3419, 8466), (4233, 6838), (4471, 6474)]