71320256

素因数分解:

$2^6\times 7^1\times {\mathrm{397}}^1\times {\mathrm{401}}^1$

素因数の和:817

約数の個数: 56

約数和(自身を含む): 162555936

約数和(自身を除く): 91235680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 397, 401, 448, 794, 802, 1588, 1604, 2779, 2807, 3176, 3208, 5558, 5614, 6352, 6416, 11116, 11228, 12704, 12832, 22232, 22456, 25408, 25664, 44464, 44912, 88928, 89824, 159197, 177856, 179648, 318394, 636788, 1114379, 1273576, 2228758, 2547152, 4457516, 5094304, 8915032, 10188608, 17830064, 35660128, 71320256]

約数ペア:

[(1, 71320256), (2, 35660128), (4, 17830064), (7, 10188608), (8, 8915032), (14, 5094304), (16, 4457516), (28, 2547152), (32, 2228758), (56, 1273576), (64, 1114379), (112, 636788), (224, 318394), (397, 179648), (401, 177856), (448, 159197), (794, 89824), (802, 88928), (1588, 44912), (1604, 44464), (2779, 25664), (2807, 25408), (3176, 22456), (3208, 22232), (5558, 12832), (5614, 12704), (6352, 11228), (6416, 11116)]