215375368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{769}}^1\times {\mathrm{2693}}^1$

素因数の和:3481

約数の個数: 32

約数和(自身を含む): 435619800

約数和(自身を除く): 220244432

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 769, 1538, 2693, 3076, 5386, 6152, 9997, 10772, 19994, 21544, 35009, 39988, 70018, 79976, 140036, 280072, 2070917, 4141834, 8283668, 16567336, 26921921, 53843842, 107687684, 215375368]

約数ペア:

[(1, 215375368), (2, 107687684), (4, 53843842), (8, 26921921), (13, 16567336), (26, 8283668), (52, 4141834), (104, 2070917), (769, 280072), (1538, 140036), (2693, 79976), (3076, 70018), (5386, 39988), (6152, 35009), (9997, 21544), (10772, 19994)]