40643218

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{157}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 78403392

約数和(自身を除く): 37760174

約数列:

[1, 2, 7, 11, 14, 22, 41, 77, 82, 154, 157, 287, 314, 451, 574, 902, 1099, 1681, 1727, 2198, 3157, 3362, 3454, 6314, 6437, 11767, 12089, 12874, 18491, 23534, 24178, 36982, 45059, 70807, 90118, 129437, 141614, 258874, 263917, 495649, 527834, 991298, 1847419, 2903087, 3694838, 5806174, 20321609, 40643218]

約数ペア:

[(1, 40643218), (2, 20321609), (7, 5806174), (11, 3694838), (14, 2903087), (22, 1847419), (41, 991298), (77, 527834), (82, 495649), (154, 263917), (157, 258874), (287, 141614), (314, 129437), (451, 90118), (574, 70807), (902, 45059), (1099, 36982), (1681, 24178), (1727, 23534), (2198, 18491), (3157, 12874), (3362, 12089), (3454, 11767), (6314, 6437)]