258225008

素因数分解:

$2^4\times {\mathrm{977}}^1\times {\mathrm{16519}}^1$

素因数の和:17504

約数の個数: 20

約数和(自身を含む): 500853360

約数和(自身を除く): 242628352

約数列:

[1, 2, 4, 8, 16, 977, 1954, 3908, 7816, 15632, 16519, 33038, 66076, 132152, 264304, 16139063, 32278126, 64556252, 129112504, 258225008]

約数ペア:

[(1, 258225008), (2, 129112504), (4, 64556252), (8, 32278126), (16, 16139063), (977, 264304), (1954, 132152), (3908, 66076), (7816, 33038), (15632, 16519)]