217408

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:134

約数の個数: 28

約数和(自身を含む): 447040

約数和(自身を除く): 229632

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 79, 86, 158, 172, 316, 344, 632, 688, 1264, 1376, 2528, 2752, 3397, 5056, 6794, 13588, 27176, 54352, 108704, 217408]

約数ペア:

[(1, 217408), (2, 108704), (4, 54352), (8, 27176), (16, 13588), (32, 6794), (43, 5056), (64, 3397), (79, 2752), (86, 2528), (158, 1376), (172, 1264), (316, 688), (344, 632)]