1215808216

素因数分解:

$2^3\times 7^1\times {\mathrm{21710861}}^1$

素因数の和:21710874

約数の個数: 16

約数和(自身を含む): 2605303440

約数和(自身を除く): 1389495224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 21710861, 43421722, 86843444, 151976027, 173686888, 303952054, 607904108, 1215808216]

約数ペア:

[(1, 1215808216), (2, 607904108), (4, 303952054), (7, 173686888), (8, 151976027), (14, 86843444), (28, 43421722), (56, 21710861)]