81806494

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{1109}}^1$

素因数の和:1608

約数の個数: 32

約数和(自身を含む): 153446400

約数和(自身を除く): 71639906

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 479, 958, 1109, 2218, 3353, 5269, 6706, 7763, 10538, 12199, 15526, 24398, 36883, 73766, 85393, 170786, 531211, 1062422, 3718477, 5843321, 7436954, 11686642, 40903247, 81806494]

約数ペア:

[(1, 81806494), (2, 40903247), (7, 11686642), (11, 7436954), (14, 5843321), (22, 3718477), (77, 1062422), (154, 531211), (479, 170786), (958, 85393), (1109, 73766), (2218, 36883), (3353, 24398), (5269, 15526), (6706, 12199), (7763, 10538)]