1395347968

素因数分解:

$2^9\times 7^1\times {\mathrm{617}}^1\times {\mathrm{631}}^1$

素因数の和:1273

約数の個数: 80

約数和(自身を含む): 3196473984

約数和(自身を除く): 1801126016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 617, 631, 896, 1234, 1262, 1792, 2468, 2524, 3584, 4319, 4417, 4936, 5048, 8638, 8834, 9872, 10096, 17276, 17668, 19744, 20192, 34552, 35336, 39488, 40384, 69104, 70672, 78976, 80768, 138208, 141344, 157952, 161536, 276416, 282688, 315904, 323072, 389327, 552832, 565376, 778654, 1105664, 1130752, 1557308, 2211328, 2261504, 2725289, 3114616, 5450578, 6229232, 10901156, 12458464, 21802312, 24916928, 43604624, 49833856, 87209248, 99667712, 174418496, 199335424, 348836992, 697673984, 1395347968]

約数ペア:

[(1, 1395347968), (2, 697673984), (4, 348836992), (7, 199335424), (8, 174418496), (14, 99667712), (16, 87209248), (28, 49833856), (32, 43604624), (56, 24916928), (64, 21802312), (112, 12458464), (128, 10901156), (224, 6229232), (256, 5450578), (448, 3114616), (512, 2725289), (617, 2261504), (631, 2211328), (896, 1557308), (1234, 1130752), (1262, 1105664), (1792, 778654), (2468, 565376), (2524, 552832), (3584, 389327), (4319, 323072), (4417, 315904), (4936, 282688), (5048, 276416), (8638, 161536), (8834, 157952), (9872, 141344), (10096, 138208), (17276, 80768), (17668, 78976), (19744, 70672), (20192, 69104), (34552, 40384), (35336, 39488)]