71497216

素因数分解:

$2^9\times 7^1\times {\mathrm{19949}}^1$

素因数の和:19974

約数の個数: 40

約数和(自身を含む): 163270800

約数和(自身を除く): 91773584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1792, 3584, 19949, 39898, 79796, 139643, 159592, 279286, 319184, 558572, 638368, 1117144, 1276736, 2234288, 2553472, 4468576, 5106944, 8937152, 10213888, 17874304, 35748608, 71497216]

約数ペア:

[(1, 71497216), (2, 35748608), (4, 17874304), (7, 10213888), (8, 8937152), (14, 5106944), (16, 4468576), (28, 2553472), (32, 2234288), (56, 1276736), (64, 1117144), (112, 638368), (128, 558572), (224, 319184), (256, 279286), (448, 159592), (512, 139643), (896, 79796), (1792, 39898), (3584, 19949)]