12351664

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1445

約数の個数: 40

約数和(自身を含む): 26390672

約数和(自身を除く): 14039008

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 1381, 2236, 2762, 4472, 5524, 8944, 11048, 17953, 22096, 35906, 59383, 71812, 118766, 143624, 237532, 287248, 475064, 771979, 950128, 1543958, 3087916, 6175832, 12351664]

約数ペア:

[(1, 12351664), (2, 6175832), (4, 3087916), (8, 1543958), (13, 950128), (16, 771979), (26, 475064), (43, 287248), (52, 237532), (86, 143624), (104, 118766), (172, 71812), (208, 59383), (344, 35906), (559, 22096), (688, 17953), (1118, 11048), (1381, 8944), (2236, 5524), (2762, 4472)]