66159704

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20521}}^1$

素因数の和:20571

約数の個数: 32

約数和(自身を含む): 137907840

約数和(自身を除く): 71748136

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 20521, 41042, 82084, 164168, 266773, 533546, 636151, 1067092, 1272302, 2134184, 2544604, 5089208, 8269963, 16539926, 33079852, 66159704]

約数ペア:

[(1, 66159704), (2, 33079852), (4, 16539926), (8, 8269963), (13, 5089208), (26, 2544604), (31, 2134184), (52, 1272302), (62, 1067092), (104, 636151), (124, 533546), (248, 266773), (403, 164168), (806, 82084), (1612, 41042), (3224, 20521)]