639724257784

素因数分解:

$2^3\times {\mathrm{761}}^1\times {\mathrm{1823}}^1\times {\mathrm{57641}}^1$

素因数の和:60231

約数の個数: 32

約数和(自身を含む): 1201738861440

約数和(自身を除く): 562014603656

約数列:

[1, 2, 4, 8, 761, 1522, 1823, 3044, 3646, 6088, 7292, 14584, 57641, 115282, 230564, 461128, 1387303, 2774606, 5549212, 11098424, 43864801, 87729602, 105079543, 175459204, 210159086, 350918408, 420318172, 840636344, 79965532223, 159931064446, 319862128892, 639724257784]

約数ペア:

[(1, 639724257784), (2, 319862128892), (4, 159931064446), (8, 79965532223), (761, 840636344), (1522, 420318172), (1823, 350918408), (3044, 210159086), (3646, 175459204), (6088, 105079543), (7292, 87729602), (14584, 43864801), (57641, 11098424), (115282, 5549212), (230564, 2774606), (461128, 1387303)]