201639956

素因数分解:

$2^2\times 7^1\times {\mathrm{7201427}}^1$

素因数の和:7201438

約数の個数: 12

約数和(自身を含む): 403279968

約数和(自身を除く): 201640012

約数列:

[1, 2, 4, 7, 14, 28, 7201427, 14402854, 28805708, 50409989, 100819978, 201639956]

約数ペア:

[(1, 201639956), (2, 100819978), (4, 50409989), (7, 28805708), (14, 14402854), (28, 7201427)]