81818696

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{509}}^1$

素因数の和:869

約数の個数: 32

約数和(自身を含む): 156427200

約数和(自身を除く): 74608504

約数列:

[1, 2, 4, 8, 71, 142, 283, 284, 509, 566, 568, 1018, 1132, 2036, 2264, 4072, 20093, 36139, 40186, 72278, 80372, 144047, 144556, 160744, 288094, 289112, 576188, 1152376, 10227337, 20454674, 40909348, 81818696]

約数ペア:

[(1, 81818696), (2, 40909348), (4, 20454674), (8, 10227337), (71, 1152376), (142, 576188), (283, 289112), (284, 288094), (509, 160744), (566, 144556), (568, 144047), (1018, 80372), (1132, 72278), (2036, 40186), (2264, 36139), (4072, 20093)]