397777168

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{6373}}^1$

素因数の和:6511

約数の個数: 40

約数和(自身を含む): 796699008

約数和(自身を除く): 398921840

約数列:

[1, 2, 4, 8, 16, 47, 83, 94, 166, 188, 332, 376, 664, 752, 1328, 3901, 6373, 7802, 12746, 15604, 25492, 31208, 50984, 62416, 101968, 299531, 528959, 599062, 1057918, 1198124, 2115836, 2396248, 4231672, 4792496, 8463344, 24861073, 49722146, 99444292, 198888584, 397777168]

約数ペア:

[(1, 397777168), (2, 198888584), (4, 99444292), (8, 49722146), (16, 24861073), (47, 8463344), (83, 4792496), (94, 4231672), (166, 2396248), (188, 2115836), (332, 1198124), (376, 1057918), (664, 599062), (752, 528959), (1328, 299531), (3901, 101968), (6373, 62416), (7802, 50984), (12746, 31208), (15604, 25492)]