81203836

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{40847}}^1$

素因数の和:40929

約数の個数: 24

約数和(自身を含む): 164699136

約数和(自身を除く): 83495300

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 40847, 81694, 163388, 285929, 571858, 1143716, 2900137, 5800274, 11600548, 20300959, 40601918, 81203836]

約数ペア:

[(1, 81203836), (2, 40601918), (4, 20300959), (7, 11600548), (14, 5800274), (28, 2900137), (71, 1143716), (142, 571858), (284, 285929), (497, 163388), (994, 81694), (1988, 40847)]