66380912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{947}}^1$

素因数の和:1305

約数の個数: 40

約数和(自身を含む): 139064016

約数和(自身を除く): 72683104

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 337, 674, 947, 1348, 1894, 2696, 3788, 4381, 5392, 7576, 8762, 12311, 15152, 17524, 24622, 35048, 49244, 70096, 98488, 196976, 319139, 638278, 1276556, 2553112, 4148807, 5106224, 8297614, 16595228, 33190456, 66380912]

約数ペア:

[(1, 66380912), (2, 33190456), (4, 16595228), (8, 8297614), (13, 5106224), (16, 4148807), (26, 2553112), (52, 1276556), (104, 638278), (208, 319139), (337, 196976), (674, 98488), (947, 70096), (1348, 49244), (1894, 35048), (2696, 24622), (3788, 17524), (4381, 15152), (5392, 12311), (7576, 8762)]