78540319

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 98300160

約数和(自身を除く): 19759841

約数列:

[1, 11, 13, 19, 137, 143, 209, 211, 247, 1507, 1781, 2321, 2603, 2717, 2743, 4009, 19591, 28633, 28907, 30173, 33839, 44099, 52117, 317977, 372229, 375791, 549233, 573287, 4133701, 6041563, 7140029, 78540319]

約数ペア:

[(1, 78540319), (11, 7140029), (13, 6041563), (19, 4133701), (137, 573287), (143, 549233), (209, 375791), (211, 372229), (247, 317977), (1507, 52117), (1781, 44099), (2321, 33839), (2603, 30173), (2717, 28907), (2743, 28633), (4009, 19591)]