661290534

素因数分解:

$2^1\times 3^3\times {\mathrm{239}}^1\times {\mathrm{51239}}^1$

素因数の和:51489

約数の個数: 32

約数和(自身を含む): 1475712000

約数和(自身を除く): 814421466

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 239, 478, 717, 1434, 2151, 4302, 6453, 12906, 51239, 102478, 153717, 307434, 461151, 922302, 1383453, 2766906, 12246121, 24492242, 36738363, 73476726, 110215089, 220430178, 330645267, 661290534]

約数ペア:

[(1, 661290534), (2, 330645267), (3, 220430178), (6, 110215089), (9, 73476726), (18, 36738363), (27, 24492242), (54, 12246121), (239, 2766906), (478, 1383453), (717, 922302), (1434, 461151), (2151, 307434), (4302, 153717), (6453, 102478), (12906, 51239)]