389408

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{283}}^1$

素因数の和:336

約数の個数: 24

約数和(自身を含む): 787248

約数和(自身を除く): 397840

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 283, 344, 566, 688, 1132, 1376, 2264, 4528, 9056, 12169, 24338, 48676, 97352, 194704, 389408]

約数ペア:

[(1, 389408), (2, 194704), (4, 97352), (8, 48676), (16, 24338), (32, 12169), (43, 9056), (86, 4528), (172, 2264), (283, 1376), (344, 1132), (566, 688)]