79811956

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{439}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 164792320

約数和(自身を除く): 84980364

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 151, 172, 301, 302, 439, 602, 604, 878, 1057, 1204, 1756, 2114, 3073, 4228, 6146, 6493, 12292, 12986, 18877, 25972, 37754, 45451, 66289, 75508, 90902, 132139, 132578, 181804, 264278, 265156, 464023, 528556, 928046, 1856092, 2850427, 5700854, 11401708, 19952989, 39905978, 79811956]

約数ペア:

[(1, 79811956), (2, 39905978), (4, 19952989), (7, 11401708), (14, 5700854), (28, 2850427), (43, 1856092), (86, 928046), (151, 528556), (172, 464023), (301, 265156), (302, 264278), (439, 181804), (602, 132578), (604, 132139), (878, 90902), (1057, 75508), (1204, 66289), (1756, 45451), (2114, 37754), (3073, 25972), (4228, 18877), (6146, 12986), (6493, 12292)]