131385856

素因数分解:

$2^9\times 7^2\times {\mathrm{5237}}^1$

素因数の和:5269

約数の個数: 60

約数和(自身を含む): 305433018

約数和(自身を除く): 174047162

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1568, 1792, 3136, 3584, 5237, 6272, 10474, 12544, 20948, 25088, 36659, 41896, 73318, 83792, 146636, 167584, 256613, 293272, 335168, 513226, 586544, 670336, 1026452, 1173088, 1340672, 2052904, 2346176, 2681344, 4105808, 4692352, 8211616, 9384704, 16423232, 18769408, 32846464, 65692928, 131385856]

約数ペア:

[(1, 131385856), (2, 65692928), (4, 32846464), (7, 18769408), (8, 16423232), (14, 9384704), (16, 8211616), (28, 4692352), (32, 4105808), (49, 2681344), (56, 2346176), (64, 2052904), (98, 1340672), (112, 1173088), (128, 1026452), (196, 670336), (224, 586544), (256, 513226), (392, 335168), (448, 293272), (512, 256613), (784, 167584), (896, 146636), (1568, 83792), (1792, 73318), (3136, 41896), (3584, 36659), (5237, 25088), (6272, 20948), (10474, 12544)]