28690779

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1315

約数の個数: 32

約数和(自身を含む): 44800000

約数和(自身を除く): 16109221

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 247, 403, 589, 741, 1209, 1249, 1767, 3747, 7657, 16237, 22971, 23731, 38719, 48711, 71193, 116157, 308503, 503347, 735661, 925509, 1510041, 2206983, 9563593, 28690779]

約数ペア:

[(1, 28690779), (3, 9563593), (13, 2206983), (19, 1510041), (31, 925509), (39, 735661), (57, 503347), (93, 308503), (247, 116157), (403, 71193), (589, 48711), (741, 38719), (1209, 23731), (1249, 22971), (1767, 16237), (3747, 7657)]