81157048

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{523}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 185621760

約数和(自身を除く): 104464712

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 119, 136, 163, 238, 326, 476, 523, 652, 952, 1046, 1141, 1304, 2092, 2282, 2771, 3661, 4184, 4564, 5542, 7322, 8891, 9128, 11084, 14644, 17782, 19397, 22168, 29288, 35564, 38794, 62237, 71128, 77588, 85249, 124474, 155176, 170498, 248948, 340996, 497896, 596743, 681992, 1193486, 1449233, 2386972, 2898466, 4773944, 5796932, 10144631, 11593864, 20289262, 40578524, 81157048]

約数ペア:

[(1, 81157048), (2, 40578524), (4, 20289262), (7, 11593864), (8, 10144631), (14, 5796932), (17, 4773944), (28, 2898466), (34, 2386972), (56, 1449233), (68, 1193486), (119, 681992), (136, 596743), (163, 497896), (238, 340996), (326, 248948), (476, 170498), (523, 155176), (652, 124474), (952, 85249), (1046, 77588), (1141, 71128), (1304, 62237), (2092, 38794), (2282, 35564), (2771, 29288), (3661, 22168), (4184, 19397), (4564, 17782), (5542, 14644), (7322, 11084), (8891, 9128)]