258858488

素因数分解:

$2^3\times 7^1\times {\mathrm{59}}^1\times {\mathrm{78347}}^1$

素因数の和:78419

約数の個数: 32

約数和(自身を含む): 564105600

約数和(自身を除く): 305247112

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 59, 118, 236, 413, 472, 826, 1652, 3304, 78347, 156694, 313388, 548429, 626776, 1096858, 2193716, 4387432, 4622473, 9244946, 18489892, 32357311, 36979784, 64714622, 129429244, 258858488]

約数ペア:

[(1, 258858488), (2, 129429244), (4, 64714622), (7, 36979784), (8, 32357311), (14, 18489892), (28, 9244946), (56, 4622473), (59, 4387432), (118, 2193716), (236, 1096858), (413, 626776), (472, 548429), (826, 313388), (1652, 156694), (3304, 78347)]