636687910

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{197117}}^1$

素因数の和:197160

約数の個数: 32

約数和(自身を含む): 1277324640

約数和(自身を除く): 640636730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 197117, 394234, 985585, 1971170, 3350989, 3745223, 6701978, 7490446, 16754945, 18726115, 33509890, 37452230, 63668791, 127337582, 318343955, 636687910]

約数ペア:

[(1, 636687910), (2, 318343955), (5, 127337582), (10, 63668791), (17, 37452230), (19, 33509890), (34, 18726115), (38, 16754945), (85, 7490446), (95, 6701978), (170, 3745223), (190, 3350989), (323, 1971170), (646, 985585), (1615, 394234), (3230, 197117)]