644353188

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{31981}}^1$

素因数の和:32084

約数の個数: 48

約数和(自身を含む): 1590400896

約数和(自身を除く): 946047708

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 73, 92, 138, 146, 219, 276, 292, 438, 876, 1679, 3358, 5037, 6716, 10074, 20148, 31981, 63962, 95943, 127924, 191886, 383772, 735563, 1471126, 2206689, 2334613, 2942252, 4413378, 4669226, 7003839, 8826756, 9338452, 14007678, 28015356, 53696099, 107392198, 161088297, 214784396, 322176594, 644353188]

約数ペア:

[(1, 644353188), (2, 322176594), (3, 214784396), (4, 161088297), (6, 107392198), (12, 53696099), (23, 28015356), (46, 14007678), (69, 9338452), (73, 8826756), (92, 7003839), (138, 4669226), (146, 4413378), (219, 2942252), (276, 2334613), (292, 2206689), (438, 1471126), (876, 735563), (1679, 383772), (3358, 191886), (5037, 127924), (6716, 95943), (10074, 63962), (20148, 31981)]