28711072

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{5309}}^1$

素因数の和:5345

約数の個数: 36

約数和(自身を含む): 61218990

約数和(自身を除く): 32507918

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 5309, 5408, 10618, 21236, 42472, 69017, 84944, 138034, 169888, 276068, 552136, 897221, 1104272, 1794442, 2208544, 3588884, 7177768, 14355536, 28711072]

約数ペア:

[(1, 28711072), (2, 14355536), (4, 7177768), (8, 3588884), (13, 2208544), (16, 1794442), (26, 1104272), (32, 897221), (52, 552136), (104, 276068), (169, 169888), (208, 138034), (338, 84944), (416, 69017), (676, 42472), (1352, 21236), (2704, 10618), (5309, 5408)]