81056936

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{251}}^1\times {\mathrm{1091}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 156854880

約数和(自身を除く): 75797944

約数列:

[1, 2, 4, 8, 37, 74, 148, 251, 296, 502, 1004, 1091, 2008, 2182, 4364, 8728, 9287, 18574, 37148, 40367, 74296, 80734, 161468, 273841, 322936, 547682, 1095364, 2190728, 10132117, 20264234, 40528468, 81056936]

約数ペア:

[(1, 81056936), (2, 40528468), (4, 20264234), (8, 10132117), (37, 2190728), (74, 1095364), (148, 547682), (251, 322936), (296, 273841), (502, 161468), (1004, 80734), (1091, 74296), (2008, 40367), (2182, 37148), (4364, 18574), (8728, 9287)]