81808384

素因数分解:

$2^{10}\times 7^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:241

約数の個数: 88

約数和(自身を含む): 190420128

約数和(自身を除く): 108611744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 101, 112, 113, 128, 202, 224, 226, 256, 404, 448, 452, 512, 707, 791, 808, 896, 904, 1024, 1414, 1582, 1616, 1792, 1808, 2828, 3164, 3232, 3584, 3616, 5656, 6328, 6464, 7168, 7232, 11312, 11413, 12656, 12928, 14464, 22624, 22826, 25312, 25856, 28928, 45248, 45652, 50624, 51712, 57856, 79891, 90496, 91304, 101248, 103424, 115712, 159782, 180992, 182608, 202496, 319564, 361984, 365216, 404992, 639128, 723968, 730432, 809984, 1278256, 1460864, 2556512, 2921728, 5113024, 5843456, 10226048, 11686912, 20452096, 40904192, 81808384]

約数ペア:

[(1, 81808384), (2, 40904192), (4, 20452096), (7, 11686912), (8, 10226048), (14, 5843456), (16, 5113024), (28, 2921728), (32, 2556512), (56, 1460864), (64, 1278256), (101, 809984), (112, 730432), (113, 723968), (128, 639128), (202, 404992), (224, 365216), (226, 361984), (256, 319564), (404, 202496), (448, 182608), (452, 180992), (512, 159782), (707, 115712), (791, 103424), (808, 101248), (896, 91304), (904, 90496), (1024, 79891), (1414, 57856), (1582, 51712), (1616, 50624), (1792, 45652), (1808, 45248), (2828, 28928), (3164, 25856), (3232, 25312), (3584, 22826), (3616, 22624), (5656, 14464), (6328, 12928), (6464, 12656), (7168, 11413), (7232, 11312)]