81741836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{47}}^2$

素因数の和:167

約数の個数: 54

約数和(自身を含む): 165131148

約数和(自身を除く): 83389312

約数列:

[1, 2, 4, 11, 22, 29, 44, 47, 58, 94, 116, 188, 319, 517, 638, 841, 1034, 1276, 1363, 1682, 2068, 2209, 2726, 3364, 4418, 5452, 8836, 9251, 14993, 18502, 24299, 29986, 37004, 39527, 48598, 59972, 64061, 79054, 97196, 128122, 158108, 256244, 434797, 704671, 869594, 1409342, 1739188, 1857769, 2818684, 3715538, 7431076, 20435459, 40870918, 81741836]

約数ペア:

[(1, 81741836), (2, 40870918), (4, 20435459), (11, 7431076), (22, 3715538), (29, 2818684), (44, 1857769), (47, 1739188), (58, 1409342), (94, 869594), (116, 704671), (188, 434797), (319, 256244), (517, 158108), (638, 128122), (841, 97196), (1034, 79054), (1276, 64061), (1363, 59972), (1682, 48598), (2068, 39527), (2209, 37004), (2726, 29986), (3364, 24299), (4418, 18502), (5452, 14993), (8836, 9251)]