261635538

素因数分解:

$2^1\times 3^1\times {\mathrm{163}}^1\times {\mathrm{267521}}^1$

素因数の和:267689

約数の個数: 16

約数和(自身を含む): 526483296

約数和(自身を除く): 264847758

約数列:

[1, 2, 3, 6, 163, 326, 489, 978, 267521, 535042, 802563, 1605126, 43605923, 87211846, 130817769, 261635538]

約数ペア:

[(1, 261635538), (2, 130817769), (3, 87211846), (6, 43605923), (163, 1605126), (326, 802563), (489, 535042), (978, 267521)]