131528072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{1973}}^1$

素因数の和:2633

約数の個数: 32

約数和(自身を含む): 266134680

約数和(自身を除く): 134606608

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 641, 1282, 1973, 2564, 3946, 5128, 7892, 8333, 15784, 16666, 25649, 33332, 51298, 66664, 102596, 205192, 1264693, 2529386, 5058772, 10117544, 16441009, 32882018, 65764036, 131528072]

約数ペア:

[(1, 131528072), (2, 65764036), (4, 32882018), (8, 16441009), (13, 10117544), (26, 5058772), (52, 2529386), (104, 1264693), (641, 205192), (1282, 102596), (1973, 66664), (2564, 51298), (3946, 33332), (5128, 25649), (7892, 16666), (8333, 15784)]