78315796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2624

約数の個数: 48

約数和(自身を含む): 160437760

約数和(自身を除く): 82121964

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 403, 494, 589, 806, 988, 1178, 1612, 2356, 2557, 5114, 7657, 10228, 15314, 30628, 33241, 48583, 66482, 79267, 97166, 132964, 158534, 194332, 317068, 631579, 1030471, 1263158, 1506073, 2060942, 2526316, 3012146, 4121884, 6024292, 19578949, 39157898, 78315796]

約数ペア:

[(1, 78315796), (2, 39157898), (4, 19578949), (13, 6024292), (19, 4121884), (26, 3012146), (31, 2526316), (38, 2060942), (52, 1506073), (62, 1263158), (76, 1030471), (124, 631579), (247, 317068), (403, 194332), (494, 158534), (589, 132964), (806, 97166), (988, 79267), (1178, 66482), (1612, 48583), (2356, 33241), (2557, 30628), (5114, 15314), (7657, 10228)]