127940768

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{331}}^1$

素因数の和:645

約数の個数: 48

約数和(自身を含む): 259023744

約数和(自身を除く): 131082976

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 257, 331, 376, 514, 662, 752, 1028, 1324, 1504, 2056, 2648, 4112, 5296, 8224, 10592, 12079, 15557, 24158, 31114, 48316, 62228, 85067, 96632, 124456, 170134, 193264, 248912, 340268, 386528, 497824, 680536, 1361072, 2722144, 3998149, 7996298, 15992596, 31985192, 63970384, 127940768]

約数ペア:

[(1, 127940768), (2, 63970384), (4, 31985192), (8, 15992596), (16, 7996298), (32, 3998149), (47, 2722144), (94, 1361072), (188, 680536), (257, 497824), (331, 386528), (376, 340268), (514, 248912), (662, 193264), (752, 170134), (1028, 124456), (1324, 96632), (1504, 85067), (2056, 62228), (2648, 48316), (4112, 31114), (5296, 24158), (8224, 15557), (10592, 12079)]