990621268

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{32789}}^1$

素因数の和:32896

約数の個数: 48

約数和(自身を含む): 2159418240

約数和(自身を除く): 1168796972

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 83, 91, 166, 182, 332, 364, 581, 1079, 1162, 2158, 2324, 4316, 7553, 15106, 30212, 32789, 65578, 131156, 229523, 426257, 459046, 852514, 918092, 1705028, 2721487, 2983799, 5442974, 5967598, 10885948, 11935196, 19050409, 35379331, 38100818, 70758662, 76201636, 141517324, 247655317, 495310634, 990621268]

約数ペア:

[(1, 990621268), (2, 495310634), (4, 247655317), (7, 141517324), (13, 76201636), (14, 70758662), (26, 38100818), (28, 35379331), (52, 19050409), (83, 11935196), (91, 10885948), (166, 5967598), (182, 5442974), (332, 2983799), (364, 2721487), (581, 1705028), (1079, 918092), (1162, 852514), (2158, 459046), (2324, 426257), (4316, 229523), (7553, 131156), (15106, 65578), (30212, 32789)]