138889286

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{6353}}^1$

素因数の和:7015

約数の個数: 16

約数和(自身を含む): 220966704

約数和(自身を除く): 82077418

約数列:

[1, 2, 17, 34, 643, 1286, 6353, 10931, 12706, 21862, 108001, 216002, 4084979, 8169958, 69444643, 138889286]

約数ペア:

[(1, 138889286), (2, 69444643), (17, 8169958), (34, 4084979), (643, 216002), (1286, 108001), (6353, 21862), (10931, 12706)]