78721458

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:311

約数の個数: 64

約数和(自身を含む): 172523520

約数和(自身を除く): 93802062

約数列:

[1, 2, 3, 6, 17, 34, 51, 59, 102, 103, 118, 127, 177, 206, 254, 309, 354, 381, 618, 762, 1003, 1751, 2006, 2159, 3009, 3502, 4318, 5253, 6018, 6077, 6477, 7493, 10506, 12154, 12954, 13081, 14986, 18231, 22479, 26162, 36462, 39243, 44958, 78486, 103309, 127381, 206618, 222377, 254762, 309927, 382143, 444754, 619854, 667131, 764286, 771779, 1334262, 1543558, 2315337, 4630674, 13120243, 26240486, 39360729, 78721458]

約数ペア:

[(1, 78721458), (2, 39360729), (3, 26240486), (6, 13120243), (17, 4630674), (34, 2315337), (51, 1543558), (59, 1334262), (102, 771779), (103, 764286), (118, 667131), (127, 619854), (177, 444754), (206, 382143), (254, 309927), (309, 254762), (354, 222377), (381, 206618), (618, 127381), (762, 103309), (1003, 78486), (1751, 44958), (2006, 39243), (2159, 36462), (3009, 26162), (3502, 22479), (4318, 18231), (5253, 14986), (6018, 13081), (6077, 12954), (6477, 12154), (7493, 10506)]