291219214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{673}}^1$

素因数の和:805

約数の個数: 64

約数和(自身を含む): 550307520

約数和(自身を除く): 259088306

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 89, 143, 178, 187, 221, 286, 374, 442, 673, 979, 1157, 1346, 1513, 1958, 2314, 2431, 3026, 4862, 7403, 8749, 11441, 12727, 14806, 16643, 17498, 19669, 22882, 25454, 33286, 39338, 59897, 96239, 119794, 125851, 148733, 192478, 216359, 251702, 297466, 432718, 658867, 778661, 1018249, 1317734, 1557322, 1636063, 2036498, 3272126, 8565271, 11200739, 13237237, 17130542, 22401478, 26474474, 145609607, 291219214]

約数ペア:

[(1, 291219214), (2, 145609607), (11, 26474474), (13, 22401478), (17, 17130542), (22, 13237237), (26, 11200739), (34, 8565271), (89, 3272126), (143, 2036498), (178, 1636063), (187, 1557322), (221, 1317734), (286, 1018249), (374, 778661), (442, 658867), (673, 432718), (979, 297466), (1157, 251702), (1346, 216359), (1513, 192478), (1958, 148733), (2314, 125851), (2431, 119794), (3026, 96239), (4862, 59897), (7403, 39338), (8749, 33286), (11441, 25454), (12727, 22882), (14806, 19669), (16643, 17498)]