161555198

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{2371}}^1$

素因数の和:2568

約数の個数: 32

約数和(自身を含む): 287827968

約数和(自身を除く): 126272770

約数列:

[1, 2, 7, 14, 31, 62, 157, 217, 314, 434, 1099, 2198, 2371, 4742, 4867, 9734, 16597, 33194, 34069, 68138, 73501, 147002, 372247, 514507, 744494, 1029014, 2605729, 5211458, 11539657, 23079314, 80777599, 161555198]

約数ペア:

[(1, 161555198), (2, 80777599), (7, 23079314), (14, 11539657), (31, 5211458), (62, 2605729), (157, 1029014), (217, 744494), (314, 514507), (434, 372247), (1099, 147002), (2198, 73501), (2371, 68138), (4742, 34069), (4867, 33194), (9734, 16597)]