260348529

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{1129}}^1$

素因数の和:1357

約数の個数: 32

約数和(自身を含む): 404992000

約数和(自身を除く): 144643471

約数列:

[1, 3, 7, 21, 79, 139, 237, 417, 553, 973, 1129, 1659, 2919, 3387, 7903, 10981, 23709, 32943, 76867, 89191, 156931, 230601, 267573, 470793, 624337, 1098517, 1873011, 3295551, 12397549, 37192647, 86782843, 260348529]

約数ペア:

[(1, 260348529), (3, 86782843), (7, 37192647), (21, 12397549), (79, 3295551), (139, 1873011), (237, 1098517), (417, 624337), (553, 470793), (973, 267573), (1129, 230601), (1659, 156931), (2919, 89191), (3387, 76867), (7903, 32943), (10981, 23709)]