71530810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{2141}}^1$

素因数の和:2418

約数の個数: 32

約数和(自身を含む): 139264272

約数和(自身を除く): 67733462

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 257, 514, 1285, 2141, 2570, 3341, 4282, 6682, 10705, 16705, 21410, 27833, 33410, 55666, 139165, 278330, 550237, 1100474, 2751185, 5502370, 7153081, 14306162, 35765405, 71530810]

約数ペア:

[(1, 71530810), (2, 35765405), (5, 14306162), (10, 7153081), (13, 5502370), (26, 2751185), (65, 1100474), (130, 550237), (257, 278330), (514, 139165), (1285, 55666), (2141, 33410), (2570, 27833), (3341, 21410), (4282, 16705), (6682, 10705)]