56164479

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 87736320

約数和(自身を除く): 31571841

約数列:

[1, 3, 7, 21, 71, 139, 213, 271, 417, 497, 813, 973, 1491, 1897, 2919, 5691, 9869, 19241, 29607, 37669, 57723, 69083, 113007, 134687, 207249, 263683, 404061, 791049, 2674499, 8023497, 18721493, 56164479]

約数ペア:

[(1, 56164479), (3, 18721493), (7, 8023497), (21, 2674499), (71, 791049), (139, 404061), (213, 263683), (271, 207249), (417, 134687), (497, 113007), (813, 69083), (973, 57723), (1491, 37669), (1897, 29607), (2919, 19241), (5691, 9869)]