40396444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 79785216

約数和(自身を除く): 39388772

約数列:

[1, 2, 4, 11, 22, 44, 67, 71, 134, 142, 193, 268, 284, 386, 737, 772, 781, 1474, 1562, 2123, 2948, 3124, 4246, 4757, 8492, 9514, 12931, 13703, 19028, 25862, 27406, 51724, 52327, 54812, 104654, 142241, 150733, 209308, 284482, 301466, 568964, 602932, 918101, 1836202, 3672404, 10099111, 20198222, 40396444]

約数ペア:

[(1, 40396444), (2, 20198222), (4, 10099111), (11, 3672404), (22, 1836202), (44, 918101), (67, 602932), (71, 568964), (134, 301466), (142, 284482), (193, 209308), (268, 150733), (284, 142241), (386, 104654), (737, 54812), (772, 52327), (781, 51724), (1474, 27406), (1562, 25862), (2123, 19028), (2948, 13703), (3124, 12931), (4246, 9514), (4757, 8492)]