81421088

素因数分解:

$2^5\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3529}}^1$

素因数の和:3649

約数の個数: 48

約数和(自身を含む): 185028480

約数和(自身を除く): 103607392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 103, 112, 206, 224, 412, 721, 824, 1442, 1648, 2884, 3296, 3529, 5768, 7058, 11536, 14116, 23072, 24703, 28232, 49406, 56464, 98812, 112928, 197624, 363487, 395248, 726974, 790496, 1453948, 2544409, 2907896, 5088818, 5815792, 10177636, 11631584, 20355272, 40710544, 81421088]

約数ペア:

[(1, 81421088), (2, 40710544), (4, 20355272), (7, 11631584), (8, 10177636), (14, 5815792), (16, 5088818), (28, 2907896), (32, 2544409), (56, 1453948), (103, 790496), (112, 726974), (206, 395248), (224, 363487), (412, 197624), (721, 112928), (824, 98812), (1442, 56464), (1648, 49406), (2884, 28232), (3296, 24703), (3529, 23072), (5768, 14116), (7058, 11536)]