28007938

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1483}}^1$

素因数の和:1582

約数の個数: 32

約数和(自身を含む): 51287040

約数和(自身を除く): 23279102

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 497, 994, 1349, 1483, 2698, 2966, 9443, 10381, 18886, 20762, 28177, 56354, 105293, 197239, 210586, 394478, 737051, 1474102, 2000567, 4001134, 14003969, 28007938]

約数ペア:

[(1, 28007938), (2, 14003969), (7, 4001134), (14, 2000567), (19, 1474102), (38, 737051), (71, 394478), (133, 210586), (142, 197239), (266, 105293), (497, 56354), (994, 28177), (1349, 20762), (1483, 18886), (2698, 10381), (2966, 9443)]