81486668

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{659}}^1\times {\mathrm{1627}}^1$

素因数の和:2309

約数の個数: 24

約数和(自身を含む): 150427200

約数和(自身を除く): 68940532

約数列:

[1, 2, 4, 19, 38, 76, 659, 1318, 1627, 2636, 3254, 6508, 12521, 25042, 30913, 50084, 61826, 123652, 1072193, 2144386, 4288772, 20371667, 40743334, 81486668]

約数ペア:

[(1, 81486668), (2, 40743334), (4, 20371667), (19, 4288772), (38, 2144386), (76, 1072193), (659, 123652), (1318, 61826), (1627, 50084), (2636, 30913), (3254, 25042), (6508, 12521)]