279008884

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31237}}^1$

素因数の和:31288

約数の個数: 48

約数和(自身を含む): 629758080

約数和(自身を除く): 350749196

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 58, 77, 116, 154, 203, 308, 319, 406, 638, 812, 1276, 2233, 4466, 8932, 31237, 62474, 124948, 218659, 343607, 437318, 687214, 874636, 905873, 1374428, 1811746, 2405249, 3623492, 4810498, 6341111, 9620996, 9964603, 12682222, 19929206, 25364444, 39858412, 69752221, 139504442, 279008884]

約数ペア:

[(1, 279008884), (2, 139504442), (4, 69752221), (7, 39858412), (11, 25364444), (14, 19929206), (22, 12682222), (28, 9964603), (29, 9620996), (44, 6341111), (58, 4810498), (77, 3623492), (116, 2405249), (154, 1811746), (203, 1374428), (308, 905873), (319, 874636), (406, 687214), (638, 437318), (812, 343607), (1276, 218659), (2233, 124948), (4466, 62474), (8932, 31237)]