81443596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{971}}^1\times {\mathrm{1613}}^1$

素因数の和:2601

約数の個数: 24

約数和(自身を含む): 153743184

約数和(自身を除く): 72299588

約数列:

[1, 2, 4, 13, 26, 52, 971, 1613, 1942, 3226, 3884, 6452, 12623, 20969, 25246, 41938, 50492, 83876, 1566223, 3132446, 6264892, 20360899, 40721798, 81443596]

約数ペア:

[(1, 81443596), (2, 40721798), (4, 20360899), (13, 6264892), (26, 3132446), (52, 1566223), (971, 83876), (1613, 50492), (1942, 41938), (3226, 25246), (3884, 20969), (6452, 12623)]