9978008

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{9521}}^1$

素因数の和:9658

約数の個数: 16

約数和(自身を含む): 18853560

約数和(自身を除く): 8875552

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 9521, 19042, 38084, 76168, 1247251, 2494502, 4989004, 9978008]

約数ペア:

[(1, 9978008), (2, 4989004), (4, 2494502), (8, 1247251), (131, 76168), (262, 38084), (524, 19042), (1048, 9521)]