13880272

素因数分解:

$2^4\times 7^1\times {\mathrm{123931}}^1$

素因数の和:123946

約数の個数: 20

約数和(自身を含む): 30735136

約数和(自身を除く): 16854864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 123931, 247862, 495724, 867517, 991448, 1735034, 1982896, 3470068, 6940136, 13880272]

約数ペア:

[(1, 13880272), (2, 6940136), (4, 3470068), (7, 1982896), (8, 1735034), (14, 991448), (16, 867517), (28, 495724), (56, 247862), (112, 123931)]