217297612

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{30197}}^1$

素因数の和:30465

約数の個数: 24

約数和(自身を含む): 436300704

約数和(自身を除く): 219003092

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 1028, 1799, 3598, 7196, 30197, 60394, 120788, 211379, 422758, 845516, 7760629, 15521258, 31042516, 54324403, 108648806, 217297612]

約数ペア:

[(1, 217297612), (2, 108648806), (4, 54324403), (7, 31042516), (14, 15521258), (28, 7760629), (257, 845516), (514, 422758), (1028, 211379), (1799, 120788), (3598, 60394), (7196, 30197)]