81696304

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{557}}^1$

素因数の和:757

約数の個数: 40

約数和(自身を含む): 161909280

約数和(自身を除く): 80212976

約数列:

[1, 2, 4, 8, 16, 89, 103, 178, 206, 356, 412, 557, 712, 824, 1114, 1424, 1648, 2228, 4456, 8912, 9167, 18334, 36668, 49573, 57371, 73336, 99146, 114742, 146672, 198292, 229484, 396584, 458968, 793168, 917936, 5106019, 10212038, 20424076, 40848152, 81696304]

約数ペア:

[(1, 81696304), (2, 40848152), (4, 20424076), (8, 10212038), (16, 5106019), (89, 917936), (103, 793168), (178, 458968), (206, 396584), (356, 229484), (412, 198292), (557, 146672), (712, 114742), (824, 99146), (1114, 73336), (1424, 57371), (1648, 49573), (2228, 36668), (4456, 18334), (8912, 9167)]