213216784

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{63761}}^1$

素因数の和:63799

約数の個数: 40

約数和(自身を含む): 474389280

約数和(自身を除く): 261172496

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 63761, 127522, 255044, 510088, 701371, 1020176, 1211459, 1402742, 2422918, 2805484, 4845836, 5610968, 9691672, 11221936, 13326049, 19383344, 26652098, 53304196, 106608392, 213216784]

約数ペア:

[(1, 213216784), (2, 106608392), (4, 53304196), (8, 26652098), (11, 19383344), (16, 13326049), (19, 11221936), (22, 9691672), (38, 5610968), (44, 4845836), (76, 2805484), (88, 2422918), (152, 1402742), (176, 1211459), (209, 1020176), (304, 701371), (418, 510088), (836, 255044), (1672, 127522), (3344, 63761)]