398118868

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{8707}}^1$

素因数の和:8812

約数の個数: 48

約数和(自身を含む): 842655744

約数和(自身を除く): 444536876

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 71, 92, 142, 161, 284, 322, 497, 644, 994, 1633, 1988, 3266, 6532, 8707, 11431, 17414, 22862, 34828, 45724, 60949, 121898, 200261, 243796, 400522, 618197, 801044, 1236394, 1401827, 2472788, 2803654, 4327379, 5607308, 8654758, 14218531, 17309516, 28437062, 56874124, 99529717, 199059434, 398118868]

約数ペア:

[(1, 398118868), (2, 199059434), (4, 99529717), (7, 56874124), (14, 28437062), (23, 17309516), (28, 14218531), (46, 8654758), (71, 5607308), (92, 4327379), (142, 2803654), (161, 2472788), (284, 1401827), (322, 1236394), (497, 801044), (644, 618197), (994, 400522), (1633, 243796), (1988, 200261), (3266, 121898), (6532, 60949), (8707, 45724), (11431, 34828), (17414, 22862)]