780872404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{224131}}^1$

素因数の和:224215

約数の個数: 24

約数和(自身を含む): 1493615648

約数和(自身を除く): 712743244

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 224131, 448262, 896524, 2913703, 5827406, 11654812, 15016777, 30033554, 60067108, 195218101, 390436202, 780872404]

約数ペア:

[(1, 780872404), (2, 390436202), (4, 195218101), (13, 60067108), (26, 30033554), (52, 15016777), (67, 11654812), (134, 5827406), (268, 2913703), (871, 896524), (1742, 448262), (3484, 224131)]