428197784

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{177823}}^1$

素因数の和:177879

約数の個数: 32

約数和(自身を含む): 938910720

約数和(自身を除く): 510712936

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 177823, 355646, 711292, 1244761, 1422584, 2489522, 4979044, 7646389, 9958088, 15292778, 30585556, 53524723, 61171112, 107049446, 214098892, 428197784]

約数ペア:

[(1, 428197784), (2, 214098892), (4, 107049446), (7, 61171112), (8, 53524723), (14, 30585556), (28, 15292778), (43, 9958088), (56, 7646389), (86, 4979044), (172, 2489522), (301, 1422584), (344, 1244761), (602, 711292), (1204, 355646), (2408, 177823)]