261391004

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{158227}}^1$

素因数の和:158297

約数の個数: 24

約数和(自身を含む): 531646080

約数和(自身を除く): 270255076

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 158227, 316454, 632908, 1107589, 2215178, 4430356, 9335393, 18670786, 37341572, 65347751, 130695502, 261391004]

約数ペア:

[(1, 261391004), (2, 130695502), (4, 65347751), (7, 37341572), (14, 18670786), (28, 9335393), (59, 4430356), (118, 2215178), (236, 1107589), (413, 632908), (826, 316454), (1652, 158227)]