40661558

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2153}}^1$

素因数の和:2252

約数の個数: 32

約数和(自身を含む): 74442240

約数和(自身を除く): 33780682

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 497, 994, 1349, 2153, 2698, 4306, 9443, 15071, 18886, 30142, 40907, 81814, 152863, 286349, 305726, 572698, 1070041, 2140082, 2904397, 5808794, 20330779, 40661558]

約数ペア:

[(1, 40661558), (2, 20330779), (7, 5808794), (14, 2904397), (19, 2140082), (38, 1070041), (71, 572698), (133, 305726), (142, 286349), (266, 152863), (497, 81814), (994, 40907), (1349, 30142), (2153, 18886), (2698, 15071), (4306, 9443)]