161504618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1\times {\mathrm{271}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 268849152

約数和(自身を除く): 107344534

約数列:

[1, 2, 11, 22, 103, 206, 263, 271, 526, 542, 1133, 2266, 2893, 2981, 5786, 5962, 27089, 27913, 54178, 55826, 71273, 142546, 297979, 307043, 595958, 614086, 784003, 1568006, 7341119, 14682238, 80752309, 161504618]

約数ペア:

[(1, 161504618), (2, 80752309), (11, 14682238), (22, 7341119), (103, 1568006), (206, 784003), (263, 614086), (271, 595958), (526, 307043), (542, 297979), (1133, 142546), (2266, 71273), (2893, 55826), (2981, 54178), (5786, 27913), (5962, 27089)]