127978522

素因数分解:

$2^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{21817}}^1$

素因数の和:22245

約数の個数: 16

約数和(自身を含む): 219925440

約数和(自身を除く): 91946918

約数列:

[1, 2, 7, 14, 419, 838, 2933, 5866, 21817, 43634, 152719, 305438, 9141323, 18282646, 63989261, 127978522]

約数ペア:

[(1, 127978522), (2, 63989261), (7, 18282646), (14, 9141323), (419, 305438), (838, 152719), (2933, 43634), (5866, 21817)]