131806168

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{74551}}^1$

素因数の和:74587

約数の個数: 32

約数和(自身を含む): 281806560

約数和(自身を除く): 150000392

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 74551, 149102, 298204, 596408, 969163, 1267367, 1938326, 2534734, 3876652, 5069468, 7753304, 10138936, 16475771, 32951542, 65903084, 131806168]

約数ペア:

[(1, 131806168), (2, 65903084), (4, 32951542), (8, 16475771), (13, 10138936), (17, 7753304), (26, 5069468), (34, 3876652), (52, 2534734), (68, 1938326), (104, 1267367), (136, 969163), (221, 596408), (442, 298204), (884, 149102), (1768, 74551)]