215996942

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{291101}}^1$

素因数の和:291163

約数の個数: 16

約数和(自身を含む): 377268192

約数和(自身を除く): 161271250

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 291101, 582202, 2037707, 4075414, 15428353, 30856706, 107998471, 215996942]

約数ペア:

[(1, 215996942), (2, 107998471), (7, 30856706), (14, 15428353), (53, 4075414), (106, 2037707), (371, 582202), (742, 291101)]