81704728

素因数分解:

$2^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{8951}}^1$

素因数の和:9127

約数の個数: 32

約数和(自身を含む): 176175360

約数和(自身を除く): 94470632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 163, 326, 652, 1141, 1304, 2282, 4564, 8951, 9128, 17902, 35804, 62657, 71608, 125314, 250628, 501256, 1459013, 2918026, 5836052, 10213091, 11672104, 20426182, 40852364, 81704728]

約数ペア:

[(1, 81704728), (2, 40852364), (4, 20426182), (7, 11672104), (8, 10213091), (14, 5836052), (28, 2918026), (56, 1459013), (163, 501256), (326, 250628), (652, 125314), (1141, 71608), (1304, 62657), (2282, 35804), (4564, 17902), (8951, 9128)]