388640536

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{66457}}^1$

素因数の和:66523

約数の個数: 32

約数和(自身を含む): 789521040

約数和(自身を除く): 400880504

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 5848, 66457, 132914, 265828, 531656, 1129769, 2259538, 2857651, 4519076, 5715302, 9038152, 11430604, 22861208, 48580067, 97160134, 194320268, 388640536]

約数ペア:

[(1, 388640536), (2, 194320268), (4, 97160134), (8, 48580067), (17, 22861208), (34, 11430604), (43, 9038152), (68, 5715302), (86, 4519076), (136, 2857651), (172, 2259538), (344, 1129769), (731, 531656), (1462, 265828), (2924, 132914), (5848, 66457)]