31435264

素因数分解:

$2^9\times 7^3\times {\mathrm{179}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 73656000

約数和(自身を除く): 42220736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 179, 196, 224, 256, 343, 358, 392, 448, 512, 686, 716, 784, 896, 1253, 1372, 1432, 1568, 1792, 2506, 2744, 2864, 3136, 3584, 5012, 5488, 5728, 6272, 8771, 10024, 10976, 11456, 12544, 17542, 20048, 21952, 22912, 25088, 35084, 40096, 43904, 45824, 61397, 70168, 80192, 87808, 91648, 122794, 140336, 160384, 175616, 245588, 280672, 320768, 491176, 561344, 641536, 982352, 1122688, 1964704, 2245376, 3929408, 4490752, 7858816, 15717632, 31435264]

約数ペア:

[(1, 31435264), (2, 15717632), (4, 7858816), (7, 4490752), (8, 3929408), (14, 2245376), (16, 1964704), (28, 1122688), (32, 982352), (49, 641536), (56, 561344), (64, 491176), (98, 320768), (112, 280672), (128, 245588), (179, 175616), (196, 160384), (224, 140336), (256, 122794), (343, 91648), (358, 87808), (392, 80192), (448, 70168), (512, 61397), (686, 45824), (716, 43904), (784, 40096), (896, 35084), (1253, 25088), (1372, 22912), (1432, 21952), (1568, 20048), (1792, 17542), (2506, 12544), (2744, 11456), (2864, 10976), (3136, 10024), (3584, 8771), (5012, 6272), (5488, 5728)]