71781716

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{547}}^1\times {\mathrm{619}}^1$

素因数の和:1223

約数の個数: 24

約数和(自身を含む): 128429280

約数和(自身を除く): 56647564

約数列:

[1, 2, 4, 53, 106, 212, 547, 619, 1094, 1238, 2188, 2476, 28991, 32807, 57982, 65614, 115964, 131228, 338593, 677186, 1354372, 17945429, 35890858, 71781716]

約数ペア:

[(1, 71781716), (2, 35890858), (4, 17945429), (53, 1354372), (106, 677186), (212, 338593), (547, 131228), (619, 115964), (1094, 65614), (1238, 57982), (2188, 32807), (2476, 28991)]