40778902

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{2549}}^1$

素因数の和:2991

約数の個数: 16

約数和(自身を含む): 64566000

約数和(自身を除く): 23787098

約数列:

[1, 2, 19, 38, 421, 842, 2549, 5098, 7999, 15998, 48431, 96862, 1073129, 2146258, 20389451, 40778902]

約数ペア:

[(1, 40778902), (2, 20389451), (19, 2146258), (38, 1073129), (421, 96862), (842, 48431), (2549, 15998), (5098, 7999)]