138220304

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{26099}}^1$

素因数の和:26438

約数の個数: 20

約数和(自身を含む): 268621200

約数和(自身を除く): 130400896

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 26099, 52198, 104396, 208792, 417584, 8638769, 17277538, 34555076, 69110152, 138220304]

約数ペア:

[(1, 138220304), (2, 69110152), (4, 34555076), (8, 17277538), (16, 8638769), (331, 417584), (662, 208792), (1324, 104396), (2648, 52198), (5296, 26099)]