219389784

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{212587}}^1$

素因数の和:212639

約数の個数: 32

約数和(自身を含む): 561232320

約数和(自身を除く): 341842536

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 212587, 425174, 637761, 850348, 1275522, 1700696, 2551044, 5102088, 9141241, 18282482, 27423723, 36564964, 54847446, 73129928, 109694892, 219389784]

約数ペア:

[(1, 219389784), (2, 109694892), (3, 73129928), (4, 54847446), (6, 36564964), (8, 27423723), (12, 18282482), (24, 9141241), (43, 5102088), (86, 2551044), (129, 1700696), (172, 1275522), (258, 850348), (344, 637761), (516, 425174), (1032, 212587)]