389491424

素因数分解:

$2^5\times 7^1\times {\mathrm{311}}^1\times {\mathrm{5591}}^1$

素因数の和:5919

約数の個数: 48

約数和(自身を含む): 879330816

約数和(自身を除く): 489839392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 311, 622, 1244, 2177, 2488, 4354, 4976, 5591, 8708, 9952, 11182, 17416, 22364, 34832, 39137, 44728, 69664, 78274, 89456, 156548, 178912, 313096, 626192, 1252384, 1738801, 3477602, 6955204, 12171607, 13910408, 24343214, 27820816, 48686428, 55641632, 97372856, 194745712, 389491424]

約数ペア:

[(1, 389491424), (2, 194745712), (4, 97372856), (7, 55641632), (8, 48686428), (14, 27820816), (16, 24343214), (28, 13910408), (32, 12171607), (56, 6955204), (112, 3477602), (224, 1738801), (311, 1252384), (622, 626192), (1244, 313096), (2177, 178912), (2488, 156548), (4354, 89456), (4976, 78274), (5591, 69664), (8708, 44728), (9952, 39137), (11182, 34832), (17416, 22364)]