1290539908

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{5441}}^1$

素因数の和:5692

約数の個数: 48

約数和(自身を含む): 2654999424

約数和(自身を除く): 1364459516

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 197, 301, 394, 602, 788, 1204, 1379, 2758, 5441, 5516, 8471, 10882, 16942, 21764, 33884, 38087, 59297, 76174, 118594, 152348, 233963, 237188, 467926, 935852, 1071877, 1637741, 2143754, 3275482, 4287508, 6550964, 7503139, 15006278, 30012556, 46090711, 92181422, 184362844, 322634977, 645269954, 1290539908]

約数ペア:

[(1, 1290539908), (2, 645269954), (4, 322634977), (7, 184362844), (14, 92181422), (28, 46090711), (43, 30012556), (86, 15006278), (172, 7503139), (197, 6550964), (301, 4287508), (394, 3275482), (602, 2143754), (788, 1637741), (1204, 1071877), (1379, 935852), (2758, 467926), (5441, 237188), (5516, 233963), (8471, 152348), (10882, 118594), (16942, 76174), (21764, 59297), (33884, 38087)]