81340156

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{9239}}^1$

素因数の和:9345

約数の個数: 24

約数和(自身を含む): 149022720

約数和(自身を除く): 67682564

約数列:

[1, 2, 4, 31, 62, 71, 124, 142, 284, 2201, 4402, 8804, 9239, 18478, 36956, 286409, 572818, 655969, 1145636, 1311938, 2623876, 20335039, 40670078, 81340156]

約数ペア:

[(1, 81340156), (2, 40670078), (4, 20335039), (31, 2623876), (62, 1311938), (71, 1145636), (124, 655969), (142, 572818), (284, 286409), (2201, 36956), (4402, 18478), (8804, 9239)]