138475372

素因数分解:

$2^2\times 7^2\times {\mathrm{706507}}^1$

素因数の和:706525

約数の個数: 18

約数和(自身を含む): 281896692

約数和(自身を除く): 143421320

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 706507, 1413014, 2826028, 4945549, 9891098, 19782196, 34618843, 69237686, 138475372]

約数ペア:

[(1, 138475372), (2, 69237686), (4, 34618843), (7, 19782196), (14, 9891098), (28, 4945549), (49, 2826028), (98, 1413014), (196, 706507)]