81990298

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{85229}}^1$

素因数の和:85281

約数の個数: 16

約数和(自身を含む): 136027080

約数和(自身を除く): 54036782

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 85229, 170458, 1107977, 2215954, 3153473, 6306946, 40995149, 81990298]

約数ペア:

[(1, 81990298), (2, 40995149), (13, 6306946), (26, 3153473), (37, 2215954), (74, 1107977), (481, 170458), (962, 85229)]