81572204

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67751}}^1$

素因数の和:67805

約数の個数: 24

約数和(自身を含む): 166940928

約数和(自身を除く): 85368724

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 67751, 135502, 271004, 474257, 948514, 1897028, 2913293, 5826586, 11653172, 20393051, 40786102, 81572204]

約数ペア:

[(1, 81572204), (2, 40786102), (4, 20393051), (7, 11653172), (14, 5826586), (28, 2913293), (43, 1897028), (86, 948514), (172, 474257), (301, 271004), (602, 135502), (1204, 67751)]