1378678

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 32

約数和(自身を含む): 2557440

約数和(自身を除く): 1178762

約数列:

[1, 2, 7, 14, 19, 38, 71, 73, 133, 142, 146, 266, 497, 511, 994, 1022, 1349, 1387, 2698, 2774, 5183, 9443, 9709, 10366, 18886, 19418, 36281, 72562, 98477, 196954, 689339, 1378678]

約数ペア:

[(1, 1378678), (2, 689339), (7, 196954), (14, 98477), (19, 72562), (38, 36281), (71, 19418), (73, 18886), (133, 10366), (142, 9709), (146, 9443), (266, 5183), (497, 2774), (511, 2698), (994, 1387), (1022, 1349)]