28028728

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{38501}}^1$

素因数の和:38527

約数の個数: 32

約数和(自身を含む): 64683360

約数和(自身を除く): 36654632

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 38501, 77002, 154004, 269507, 308008, 500513, 539014, 1001026, 1078028, 2002052, 2156056, 3503591, 4004104, 7007182, 14014364, 28028728]

約数ペア:

[(1, 28028728), (2, 14014364), (4, 7007182), (7, 4004104), (8, 3503591), (13, 2156056), (14, 2002052), (26, 1078028), (28, 1001026), (52, 539014), (56, 500513), (91, 308008), (104, 269507), (182, 154004), (364, 77002), (728, 38501)]