81605498

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2069}}^1$

素因数の和:2162

約数の個数: 32

約数和(自身を含む): 138756240

約数和(自身を除く): 57150742

約数列:

[1, 2, 13, 26, 37, 41, 74, 82, 481, 533, 962, 1066, 1517, 2069, 3034, 4138, 19721, 26897, 39442, 53794, 76553, 84829, 153106, 169658, 995189, 1102777, 1990378, 2205554, 3138673, 6277346, 40802749, 81605498]

約数ペア:

[(1, 81605498), (2, 40802749), (13, 6277346), (26, 3138673), (37, 2205554), (41, 1990378), (74, 1102777), (82, 995189), (481, 169658), (533, 153106), (962, 84829), (1066, 76553), (1517, 53794), (2069, 39442), (3034, 26897), (4138, 19721)]