128419732

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{147949}}^1$

素因数の和:147991

約数の個数: 24

約数和(自身を含む): 265126400

約数和(自身を除く): 136706668

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 147949, 295898, 591796, 1035643, 2071286, 4142572, 4586419, 9172838, 18345676, 32104933, 64209866, 128419732]

約数ペア:

[(1, 128419732), (2, 64209866), (4, 32104933), (7, 18345676), (14, 9172838), (28, 4586419), (31, 4142572), (62, 2071286), (124, 1035643), (217, 591796), (434, 295898), (868, 147949)]