991097278

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{124541}}^1$

素因数の和:124739

約数の個数: 16

約数和(自身を含む): 1560262176

約数和(自身を除く): 569164898

約数列:

[1, 2, 23, 46, 173, 346, 3979, 7958, 124541, 249082, 2864443, 5728886, 21545593, 43091186, 495548639, 991097278]

約数ペア:

[(1, 991097278), (2, 495548639), (23, 43091186), (46, 21545593), (173, 5728886), (346, 2864443), (3979, 249082), (7958, 124541)]