257595444

素因数分解:

$2^2\times 3^3\times {\mathrm{887}}^1\times {\mathrm{2689}}^1$

素因数の和:3589

約数の個数: 48

約数和(自身を含む): 668841600

約数和(自身を除く): 411246156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 887, 1774, 2661, 2689, 3548, 5322, 5378, 7983, 8067, 10644, 10756, 15966, 16134, 23949, 24201, 31932, 32268, 47898, 48402, 72603, 95796, 96804, 145206, 290412, 2385143, 4770286, 7155429, 9540572, 14310858, 21466287, 28621716, 42932574, 64398861, 85865148, 128797722, 257595444]

約数ペア:

[(1, 257595444), (2, 128797722), (3, 85865148), (4, 64398861), (6, 42932574), (9, 28621716), (12, 21466287), (18, 14310858), (27, 9540572), (36, 7155429), (54, 4770286), (108, 2385143), (887, 290412), (1774, 145206), (2661, 96804), (2689, 95796), (3548, 72603), (5322, 48402), (5378, 47898), (7983, 32268), (8067, 31932), (10644, 24201), (10756, 23949), (15966, 16134)]