219857624

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{91303}}^1$

素因数の和:91359

約数の個数: 32

約数和(自身を含む): 482085120

約数和(自身を除く): 262227496

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 91303, 182606, 365212, 639121, 730424, 1278242, 2556484, 3926029, 5112968, 7852058, 15704116, 27482203, 31408232, 54964406, 109928812, 219857624]

約数ペア:

[(1, 219857624), (2, 109928812), (4, 54964406), (7, 31408232), (8, 27482203), (14, 15704116), (28, 7852058), (43, 5112968), (56, 3926029), (86, 2556484), (172, 1278242), (301, 730424), (344, 639121), (602, 365212), (1204, 182606), (2408, 91303)]