31399324

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 66890880

約数和(自身を除く): 35491556

約数列:

[1, 2, 4, 11, 19, 22, 23, 38, 44, 46, 71, 76, 92, 142, 209, 253, 284, 418, 437, 506, 529, 781, 836, 874, 1012, 1058, 1349, 1562, 1633, 1748, 2116, 2698, 3124, 3266, 4807, 5396, 5819, 6532, 9614, 10051, 11638, 14839, 17963, 19228, 20102, 23276, 29678, 31027, 35926, 37559, 40204, 59356, 62054, 71852, 75118, 110561, 124108, 150236, 221122, 341297, 413149, 442244, 682594, 713621, 826298, 1365188, 1427242, 1652596, 2854484, 7849831, 15699662, 31399324]

約数ペア:

[(1, 31399324), (2, 15699662), (4, 7849831), (11, 2854484), (19, 1652596), (22, 1427242), (23, 1365188), (38, 826298), (44, 713621), (46, 682594), (71, 442244), (76, 413149), (92, 341297), (142, 221122), (209, 150236), (253, 124108), (284, 110561), (418, 75118), (437, 71852), (506, 62054), (529, 59356), (781, 40204), (836, 37559), (874, 35926), (1012, 31027), (1058, 29678), (1349, 23276), (1562, 20102), (1633, 19228), (1748, 17963), (2116, 14839), (2698, 11638), (3124, 10051), (3266, 9614), (4807, 6532), (5396, 5819)]