638336148

素因数分解:

$2^2\times 3^1\times {\mathrm{331}}^1\times {\mathrm{160709}}^1$

素因数の和:161047

約数の個数: 24

約数和(自身を含む): 1493960160

約数和(自身を除く): 855624012

約数列:

[1, 2, 3, 4, 6, 12, 331, 662, 993, 1324, 1986, 3972, 160709, 321418, 482127, 642836, 964254, 1928508, 53194679, 106389358, 159584037, 212778716, 319168074, 638336148]

約数ペア:

[(1, 638336148), (2, 319168074), (3, 212778716), (4, 159584037), (6, 106389358), (12, 53194679), (331, 1928508), (662, 964254), (993, 642836), (1324, 482127), (1986, 321418), (3972, 160709)]