216520514

素因数分解:

$2^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{27967}}^1$

素因数の和:28062

約数の個数: 24

約数和(自身を含む): 382602240

約数和(自身を除く): 166081726

約数列:

[1, 2, 7, 14, 49, 79, 98, 158, 553, 1106, 3871, 7742, 27967, 55934, 195769, 391538, 1370383, 2209393, 2740766, 4418786, 15465751, 30931502, 108260257, 216520514]

約数ペア:

[(1, 216520514), (2, 108260257), (7, 30931502), (14, 15465751), (49, 4418786), (79, 2740766), (98, 2209393), (158, 1370383), (553, 391538), (1106, 195769), (3871, 55934), (7742, 27967)]