1440376574

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{111467}}^1$

素因数の和:111560

約数の個数: 32

約数和(自身を含む): 2696633856

約数和(自身を除く): 1256257282

約数列:

[1, 2, 7, 13, 14, 26, 71, 91, 142, 182, 497, 923, 994, 1846, 6461, 12922, 111467, 222934, 780269, 1449071, 1560538, 2898142, 7914157, 10143497, 15828314, 20286994, 55399099, 102884041, 110798198, 205768082, 720188287, 1440376574]

約数ペア:

[(1, 1440376574), (2, 720188287), (7, 205768082), (13, 110798198), (14, 102884041), (26, 55399099), (71, 20286994), (91, 15828314), (142, 10143497), (182, 7914157), (497, 2898142), (923, 1560538), (994, 1449071), (1846, 780269), (6461, 222934), (12922, 111467)]