81457168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17027}}^1$

素因数の和:17071

約数の個数: 40

約数和(自身を含む): 177363648

約数和(自身を除く): 95906480

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4784, 17027, 34054, 68108, 136216, 221351, 272432, 391621, 442702, 783242, 885404, 1566484, 1770808, 3132968, 3541616, 5091073, 6265936, 10182146, 20364292, 40728584, 81457168]

約数ペア:

[(1, 81457168), (2, 40728584), (4, 20364292), (8, 10182146), (13, 6265936), (16, 5091073), (23, 3541616), (26, 3132968), (46, 1770808), (52, 1566484), (92, 885404), (104, 783242), (184, 442702), (208, 391621), (299, 272432), (368, 221351), (598, 136216), (1196, 68108), (2392, 34054), (4784, 17027)]