217207984

素因数分解:

$2^4\times 7^2\times {\mathrm{277051}}^1$

素因数の和:277073

約数の個数: 30

約数和(自身を含む): 489550884

約数和(自身を除く): 272342900

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 277051, 554102, 1108204, 1939357, 2216408, 3878714, 4432816, 7757428, 13575499, 15514856, 27150998, 31029712, 54301996, 108603992, 217207984]

約数ペア:

[(1, 217207984), (2, 108603992), (4, 54301996), (7, 31029712), (8, 27150998), (14, 15514856), (16, 13575499), (28, 7757428), (49, 4432816), (56, 3878714), (98, 2216408), (112, 1939357), (196, 1108204), (392, 554102), (784, 277051)]