31424288

素因数分解:

$2^5\times 7^4\times {\mathrm{409}}^1$

素因数の和:447

約数の個数: 60

約数和(自身を含む): 72349830

約数和(自身を除く): 40925542

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 343, 392, 409, 686, 784, 818, 1372, 1568, 1636, 2401, 2744, 2863, 3272, 4802, 5488, 5726, 6544, 9604, 10976, 11452, 13088, 19208, 20041, 22904, 38416, 40082, 45808, 76832, 80164, 91616, 140287, 160328, 280574, 320656, 561148, 641312, 982009, 1122296, 1964018, 2244592, 3928036, 4489184, 7856072, 15712144, 31424288]

約数ペア:

[(1, 31424288), (2, 15712144), (4, 7856072), (7, 4489184), (8, 3928036), (14, 2244592), (16, 1964018), (28, 1122296), (32, 982009), (49, 641312), (56, 561148), (98, 320656), (112, 280574), (196, 160328), (224, 140287), (343, 91616), (392, 80164), (409, 76832), (686, 45808), (784, 40082), (818, 38416), (1372, 22904), (1568, 20041), (1636, 19208), (2401, 13088), (2744, 11452), (2863, 10976), (3272, 9604), (4802, 6544), (5488, 5726)]