216522888

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{209809}}^1$

素因数の和:209861

約数の個数: 32

約数和(自身を含む): 553898400

約数和(自身を除く): 337375512

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 209809, 419618, 629427, 839236, 1258854, 1678472, 2517708, 5035416, 9021787, 18043574, 27065361, 36087148, 54130722, 72174296, 108261444, 216522888]

約数ペア:

[(1, 216522888), (2, 108261444), (3, 72174296), (4, 54130722), (6, 36087148), (8, 27065361), (12, 18043574), (24, 9021787), (43, 5035416), (86, 2517708), (129, 1678472), (172, 1258854), (258, 839236), (344, 629427), (516, 419618), (1032, 209809)]