640097916

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{14251}}^1$

素因数の和:14474

約数の個数: 48

約数和(自身を含む): 1580261760

約数和(自身を除く): 940163844

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 197, 228, 394, 591, 788, 1182, 2364, 3743, 7486, 11229, 14251, 14972, 22458, 28502, 42753, 44916, 57004, 85506, 171012, 270769, 541538, 812307, 1083076, 1624614, 2807447, 3249228, 5614894, 8422341, 11229788, 16844682, 33689364, 53341493, 106682986, 160024479, 213365972, 320048958, 640097916]

約数ペア:

[(1, 640097916), (2, 320048958), (3, 213365972), (4, 160024479), (6, 106682986), (12, 53341493), (19, 33689364), (38, 16844682), (57, 11229788), (76, 8422341), (114, 5614894), (197, 3249228), (228, 2807447), (394, 1624614), (591, 1083076), (788, 812307), (1182, 541538), (2364, 270769), (3743, 171012), (7486, 85506), (11229, 57004), (14251, 44916), (14972, 42753), (22458, 28502)]