161272808

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{499}}^1\times {\mathrm{569}}^1$

素因数の和:1145

約数の個数: 32

約数和(自身を含む): 307800000

約数和(自身を除く): 146527192

約数列:

[1, 2, 4, 8, 71, 142, 284, 499, 568, 569, 998, 1138, 1996, 2276, 3992, 4552, 35429, 40399, 70858, 80798, 141716, 161596, 283432, 283931, 323192, 567862, 1135724, 2271448, 20159101, 40318202, 80636404, 161272808]

約数ペア:

[(1, 161272808), (2, 80636404), (4, 40318202), (8, 20159101), (71, 2271448), (142, 1135724), (284, 567862), (499, 323192), (568, 283931), (569, 283432), (998, 161596), (1138, 141716), (1996, 80798), (2276, 70858), (3992, 40399), (4552, 35429)]