161198968

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{40543}}^1$

素因数の和:40627

約数の個数: 32

約数和(自身を含む): 350300160

約数和(自身を除く): 189101192

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 40543, 81086, 162172, 283801, 324344, 567602, 1135204, 2270408, 2878553, 5757106, 11514212, 20149871, 23028424, 40299742, 80599484, 161198968]

約数ペア:

[(1, 161198968), (2, 80599484), (4, 40299742), (7, 23028424), (8, 20149871), (14, 11514212), (28, 5757106), (56, 2878553), (71, 2270408), (142, 1135204), (284, 567602), (497, 324344), (568, 283801), (994, 162172), (1988, 81086), (3976, 40543)]