664925758

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{5531}}^1$

素因数の和:5848

約数の個数: 32

約数和(自身を含む): 1181104128

約数和(自身を除く): 516178370

約数列:

[1, 2, 7, 14, 31, 62, 217, 277, 434, 554, 1939, 3878, 5531, 8587, 11062, 17174, 38717, 60109, 77434, 120218, 171461, 342922, 1200227, 1532087, 2400454, 3064174, 10724609, 21449218, 47494697, 94989394, 332462879, 664925758]

約数ペア:

[(1, 664925758), (2, 332462879), (7, 94989394), (14, 47494697), (31, 21449218), (62, 10724609), (217, 3064174), (277, 2400454), (434, 1532087), (554, 1200227), (1939, 342922), (3878, 171461), (5531, 120218), (8587, 77434), (11062, 60109), (17174, 38717)]