66378710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{390463}}^1$

素因数の和:390487

約数の個数: 16

約数和(自身を含む): 126510336

約数和(自身を除く): 60131626

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 390463, 780926, 1952315, 3904630, 6637871, 13275742, 33189355, 66378710]

約数ペア:

[(1, 66378710), (2, 33189355), (5, 13275742), (10, 6637871), (17, 3904630), (34, 1952315), (85, 780926), (170, 390463)]