78801892

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1697}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 159747840

約数和(自身を除く): 80945948

約数列:

[1, 2, 4, 13, 19, 26, 38, 47, 52, 76, 94, 188, 247, 494, 611, 893, 988, 1222, 1697, 1786, 2444, 3394, 3572, 6788, 11609, 22061, 23218, 32243, 44122, 46436, 64486, 79759, 88244, 128972, 159518, 319036, 419159, 838318, 1036867, 1515421, 1676636, 2073734, 3030842, 4147468, 6061684, 19700473, 39400946, 78801892]

約数ペア:

[(1, 78801892), (2, 39400946), (4, 19700473), (13, 6061684), (19, 4147468), (26, 3030842), (38, 2073734), (47, 1676636), (52, 1515421), (76, 1036867), (94, 838318), (188, 419159), (247, 319036), (494, 159518), (611, 128972), (893, 88244), (988, 79759), (1222, 64486), (1697, 46436), (1786, 44122), (2444, 32243), (3394, 23218), (3572, 22061), (6788, 11609)]