81041956

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{461}}^1\times {\mathrm{619}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 144365760

約数和(自身を除く): 63323804

約数列:

[1, 2, 4, 71, 142, 284, 461, 619, 922, 1238, 1844, 2476, 32731, 43949, 65462, 87898, 130924, 175796, 285359, 570718, 1141436, 20260489, 40520978, 81041956]

約数ペア:

[(1, 81041956), (2, 40520978), (4, 20260489), (71, 1141436), (142, 570718), (284, 285359), (461, 175796), (619, 130924), (922, 87898), (1238, 65462), (1844, 43949), (2476, 32731)]