215869706

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{28729}}^1$

素因数の和:28778

約数の個数: 24

約数和(自身を含む): 370444620

約数和(自身を除く): 154574914

約数列:

[1, 2, 13, 17, 26, 34, 221, 289, 442, 578, 3757, 7514, 28729, 57458, 373477, 488393, 746954, 976786, 6349109, 8302681, 12698218, 16605362, 107934853, 215869706]

約数ペア:

[(1, 215869706), (2, 107934853), (13, 16605362), (17, 12698218), (26, 8302681), (34, 6349109), (221, 976786), (289, 746954), (442, 488393), (578, 373477), (3757, 57458), (7514, 28729)]