78220898

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 137479680

約数和(自身を除く): 59258782

約数列:

[1, 2, 7, 14, 53, 106, 271, 371, 389, 542, 742, 778, 1897, 2723, 3794, 5446, 14363, 20617, 28726, 41234, 100541, 105419, 144319, 201082, 210838, 288638, 737933, 1475866, 5587207, 11174414, 39110449, 78220898]

約数ペア:

[(1, 78220898), (2, 39110449), (7, 11174414), (14, 5587207), (53, 1475866), (106, 737933), (271, 288638), (371, 210838), (389, 201082), (542, 144319), (742, 105419), (778, 100541), (1897, 41234), (2723, 28726), (3794, 20617), (5446, 14363)]