81107104

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{809}}^1$

素因数の和:1073

約数の個数: 48

約数和(自身を含む): 172889640

約数和(自身を除く): 91782536

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 241, 416, 482, 809, 964, 1618, 1928, 3133, 3236, 3856, 6266, 6472, 7712, 10517, 12532, 12944, 21034, 25064, 25888, 42068, 50128, 84136, 100256, 168272, 194969, 336544, 389938, 779876, 1559752, 2534597, 3119504, 5069194, 6239008, 10138388, 20276776, 40553552, 81107104]

約数ペア:

[(1, 81107104), (2, 40553552), (4, 20276776), (8, 10138388), (13, 6239008), (16, 5069194), (26, 3119504), (32, 2534597), (52, 1559752), (104, 779876), (208, 389938), (241, 336544), (416, 194969), (482, 168272), (809, 100256), (964, 84136), (1618, 50128), (1928, 42068), (3133, 25888), (3236, 25064), (3856, 21034), (6266, 12944), (6472, 12532), (7712, 10517)]