66945151

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1249}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 89600000

約数和(自身を除く): 22654849

約数列:

[1, 7, 13, 19, 31, 91, 133, 217, 247, 403, 589, 1249, 1729, 2821, 4123, 7657, 8743, 16237, 23731, 38719, 53599, 113659, 166117, 271033, 308503, 503347, 735661, 2159521, 3523429, 5149627, 9563593, 66945151]

約数ペア:

[(1, 66945151), (7, 9563593), (13, 5149627), (19, 3523429), (31, 2159521), (91, 735661), (133, 503347), (217, 308503), (247, 271033), (403, 166117), (589, 113659), (1249, 53599), (1729, 38719), (2821, 23731), (4123, 16237), (7657, 8743)]