199893542

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 312698880

約数和(自身を除く): 112805338

約数列:

[1, 2, 71, 79, 103, 142, 158, 173, 206, 346, 5609, 7313, 8137, 11218, 12283, 13667, 14626, 16274, 17819, 24566, 27334, 35638, 577727, 970357, 1155454, 1265149, 1407701, 1940714, 2530298, 2815402, 99946771, 199893542]

約数ペア:

[(1, 199893542), (2, 99946771), (71, 2815402), (79, 2530298), (103, 1940714), (142, 1407701), (158, 1265149), (173, 1155454), (206, 970357), (346, 577727), (5609, 35638), (7313, 27334), (8137, 24566), (11218, 17819), (12283, 16274), (13667, 14626)]