81446624

素因数分解:

$2^5\times 7^2\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:560

約数の個数: 72

約数和(自身を含む): 188455680

約数和(自身を除く): 107009056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 127, 196, 224, 254, 392, 409, 508, 784, 818, 889, 1016, 1568, 1636, 1778, 2032, 2863, 3272, 3556, 4064, 5726, 6223, 6544, 7112, 11452, 12446, 13088, 14224, 20041, 22904, 24892, 28448, 40082, 45808, 49784, 51943, 80164, 91616, 99568, 103886, 160328, 199136, 207772, 320656, 363601, 415544, 641312, 727202, 831088, 1454404, 1662176, 2545207, 2908808, 5090414, 5817616, 10180828, 11635232, 20361656, 40723312, 81446624]

約数ペア:

[(1, 81446624), (2, 40723312), (4, 20361656), (7, 11635232), (8, 10180828), (14, 5817616), (16, 5090414), (28, 2908808), (32, 2545207), (49, 1662176), (56, 1454404), (98, 831088), (112, 727202), (127, 641312), (196, 415544), (224, 363601), (254, 320656), (392, 207772), (409, 199136), (508, 160328), (784, 103886), (818, 99568), (889, 91616), (1016, 80164), (1568, 51943), (1636, 49784), (1778, 45808), (2032, 40082), (2863, 28448), (3272, 24892), (3556, 22904), (4064, 20041), (5726, 14224), (6223, 13088), (6544, 12446), (7112, 11452)]