28172618

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1\times {\mathrm{881}}^1$

素因数の和:1213

約数の個数: 16

約数和(自身を含む): 43182720

約数和(自身を除く): 15010102

約数列:

[1, 2, 59, 118, 271, 542, 881, 1762, 15989, 31978, 51979, 103958, 238751, 477502, 14086309, 28172618]

約数ペア:

[(1, 28172618), (2, 14086309), (59, 477502), (118, 238751), (271, 103958), (542, 51979), (881, 31978), (1762, 15989)]