28131336

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{5503}}^1$

素因数の和:5586

約数の個数: 48

約数和(自身を含む): 77276160

約数和(自身を除く): 49144824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 5112, 5503, 11006, 16509, 22012, 33018, 44024, 49527, 66036, 99054, 132072, 198108, 390713, 396216, 781426, 1172139, 1562852, 2344278, 3125704, 3516417, 4688556, 7032834, 9377112, 14065668, 28131336]

約数ペア:

[(1, 28131336), (2, 14065668), (3, 9377112), (4, 7032834), (6, 4688556), (8, 3516417), (9, 3125704), (12, 2344278), (18, 1562852), (24, 1172139), (36, 781426), (71, 396216), (72, 390713), (142, 198108), (213, 132072), (284, 99054), (426, 66036), (568, 49527), (639, 44024), (852, 33018), (1278, 22012), (1704, 16509), (2556, 11006), (5112, 5503)]