81441448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{727}}^1$

素因数の和:830

約数の個数: 64

約数和(自身を含む): 178214400

約数和(自身を除く): 96772952

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 67, 76, 88, 134, 152, 209, 268, 418, 536, 727, 737, 836, 1273, 1454, 1474, 1672, 2546, 2908, 2948, 5092, 5816, 5896, 7997, 10184, 13813, 14003, 15994, 27626, 28006, 31988, 48709, 55252, 56012, 63976, 97418, 110504, 112024, 151943, 194836, 303886, 389672, 535799, 607772, 925471, 1071598, 1215544, 1850942, 2143196, 3701884, 4286392, 7403768, 10180181, 20360362, 40720724, 81441448]

約数ペア:

[(1, 81441448), (2, 40720724), (4, 20360362), (8, 10180181), (11, 7403768), (19, 4286392), (22, 3701884), (38, 2143196), (44, 1850942), (67, 1215544), (76, 1071598), (88, 925471), (134, 607772), (152, 535799), (209, 389672), (268, 303886), (418, 194836), (536, 151943), (727, 112024), (737, 110504), (836, 97418), (1273, 63976), (1454, 56012), (1474, 55252), (1672, 48709), (2546, 31988), (2908, 28006), (2948, 27626), (5092, 15994), (5816, 14003), (5896, 13813), (7997, 10184)]