80811068

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{173}}^1\times {\mathrm{691}}^1$

素因数の和:894

約数の個数: 36

約数和(自身を含む): 154242648

約数和(自身を除く): 73431580

約数列:

[1, 2, 4, 13, 26, 52, 169, 173, 338, 346, 676, 691, 692, 1382, 2249, 2764, 4498, 8983, 8996, 17966, 29237, 35932, 58474, 116779, 116948, 119543, 233558, 239086, 467116, 478172, 1554059, 3108118, 6216236, 20202767, 40405534, 80811068]

約数ペア:

[(1, 80811068), (2, 40405534), (4, 20202767), (13, 6216236), (26, 3108118), (52, 1554059), (169, 478172), (173, 467116), (338, 239086), (346, 233558), (676, 119543), (691, 116948), (692, 116779), (1382, 58474), (2249, 35932), (2764, 29237), (4498, 17966), (8983, 8996)]