251569128

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1\times {\mathrm{953}}^1$

素因数の和:1626

約数の個数: 64

約数和(自身を含む): 667647360

約数和(自身を除く): 416078232

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 647, 953, 1294, 1906, 1941, 2588, 2859, 3812, 3882, 5176, 5718, 7624, 7764, 10999, 11436, 15528, 16201, 21998, 22872, 32402, 32997, 43996, 48603, 64804, 65994, 87992, 97206, 129608, 131988, 194412, 263976, 388824, 616591, 1233182, 1849773, 2466364, 3699546, 4932728, 7399092, 10482047, 14798184, 20964094, 31446141, 41928188, 62892282, 83856376, 125784564, 251569128]

約数ペア:

[(1, 251569128), (2, 125784564), (3, 83856376), (4, 62892282), (6, 41928188), (8, 31446141), (12, 20964094), (17, 14798184), (24, 10482047), (34, 7399092), (51, 4932728), (68, 3699546), (102, 2466364), (136, 1849773), (204, 1233182), (408, 616591), (647, 388824), (953, 263976), (1294, 194412), (1906, 131988), (1941, 129608), (2588, 97206), (2859, 87992), (3812, 65994), (3882, 64804), (5176, 48603), (5718, 43996), (7624, 32997), (7764, 32402), (10999, 22872), (11436, 21998), (15528, 16201)]