1388954392

素因数分解:

$2^3\times 7^2\times {\mathrm{431}}^1\times {\mathrm{8221}}^1$

素因数の和:8672

約数の個数: 48

約数和(自身を含む): 3036877920

約数和(自身を除く): 1647923528

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 431, 862, 1724, 3017, 3448, 6034, 8221, 12068, 16442, 21119, 24136, 32884, 42238, 57547, 65768, 84476, 115094, 168952, 230188, 402829, 460376, 805658, 1611316, 3222632, 3543251, 7086502, 14173004, 24802757, 28346008, 49605514, 99211028, 173619299, 198422056, 347238598, 694477196, 1388954392]

約数ペア:

[(1, 1388954392), (2, 694477196), (4, 347238598), (7, 198422056), (8, 173619299), (14, 99211028), (28, 49605514), (49, 28346008), (56, 24802757), (98, 14173004), (196, 7086502), (392, 3543251), (431, 3222632), (862, 1611316), (1724, 805658), (3017, 460376), (3448, 402829), (6034, 230188), (8221, 168952), (12068, 115094), (16442, 84476), (21119, 65768), (24136, 57547), (32884, 42238)]