259387856

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{178151}}^1$

素因数の和:178179

約数の個数: 40

約数和(自身を含む): 618543744

約数和(自身を除く): 359155888

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 178151, 356302, 712604, 1247057, 1425208, 2315963, 2494114, 2850416, 4631926, 4988228, 9263852, 9976456, 16211741, 18527704, 19952912, 32423482, 37055408, 64846964, 129693928, 259387856]

約数ペア:

[(1, 259387856), (2, 129693928), (4, 64846964), (7, 37055408), (8, 32423482), (13, 19952912), (14, 18527704), (16, 16211741), (26, 9976456), (28, 9263852), (52, 4988228), (56, 4631926), (91, 2850416), (104, 2494114), (112, 2315963), (182, 1425208), (208, 1247057), (364, 712604), (728, 356302), (1456, 178151)]