9991808

素因数分解:

$2^7\times {\mathrm{251}}^1\times {\mathrm{311}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 20049120

約数和(自身を除く): 10057312

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 251, 311, 502, 622, 1004, 1244, 2008, 2488, 4016, 4976, 8032, 9952, 16064, 19904, 32128, 39808, 78061, 156122, 312244, 624488, 1248976, 2497952, 4995904, 9991808]

約数ペア:

[(1, 9991808), (2, 4995904), (4, 2497952), (8, 1248976), (16, 624488), (32, 312244), (64, 156122), (128, 78061), (251, 39808), (311, 32128), (502, 19904), (622, 16064), (1004, 9952), (1244, 8032), (2008, 4976), (2488, 4016)]