8142138

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:379

約数の個数: 48

約数和(自身を含む): 18734976

約数和(自身を除く): 10592838

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 71, 138, 142, 207, 213, 277, 414, 426, 554, 639, 831, 1278, 1633, 1662, 2493, 3266, 4899, 4986, 6371, 9798, 12742, 14697, 19113, 19667, 29394, 38226, 39334, 57339, 59001, 114678, 118002, 177003, 354006, 452341, 904682, 1357023, 2714046, 4071069, 8142138]

約数ペア:

[(1, 8142138), (2, 4071069), (3, 2714046), (6, 1357023), (9, 904682), (18, 452341), (23, 354006), (46, 177003), (69, 118002), (71, 114678), (138, 59001), (142, 57339), (207, 39334), (213, 38226), (277, 29394), (414, 19667), (426, 19113), (554, 14697), (639, 12742), (831, 9798), (1278, 6371), (1633, 4986), (1662, 4899), (2493, 3266)]