78428336

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^2\times {\mathrm{317}}^1$

素因数の和:426

約数の個数: 60

約数和(自身を含む): 177996048

約数和(自身を除く): 99567712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 317, 329, 376, 634, 658, 752, 1268, 1316, 2209, 2219, 2536, 2632, 4418, 4438, 5072, 5264, 8836, 8876, 14899, 15463, 17672, 17752, 29798, 30926, 35344, 35504, 59596, 61852, 104293, 119192, 123704, 208586, 238384, 247408, 417172, 700253, 834344, 1400506, 1668688, 2801012, 4901771, 5602024, 9803542, 11204048, 19607084, 39214168, 78428336]

約数ペア:

[(1, 78428336), (2, 39214168), (4, 19607084), (7, 11204048), (8, 9803542), (14, 5602024), (16, 4901771), (28, 2801012), (47, 1668688), (56, 1400506), (94, 834344), (112, 700253), (188, 417172), (317, 247408), (329, 238384), (376, 208586), (634, 123704), (658, 119192), (752, 104293), (1268, 61852), (1316, 59596), (2209, 35504), (2219, 35344), (2536, 30926), (2632, 29798), (4418, 17752), (4438, 17672), (5072, 15463), (5264, 14899), (8836, 8876)]