212315697904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{698406901}}^1$

素因数の和:698406928

約数の個数: 20

約数和(自身を含む): 433012279240

約数和(自身を除く): 220696581336

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 698406901, 1396813802, 2793627604, 5587255208, 11174510416, 13269731119, 26539462238, 53078924476, 106157848952, 212315697904]

約数ペア:

[(1, 212315697904), (2, 106157848952), (4, 53078924476), (8, 26539462238), (16, 13269731119), (19, 11174510416), (38, 5587255208), (76, 2793627604), (152, 1396813802), (304, 698406901)]