781271402

素因数分解:

$2^1\times {\mathrm{239}}^1\times {\mathrm{653}}^1\times {\mathrm{2503}}^1$

素因数の和:3397

約数の個数: 16

約数和(自身を含む): 1179083520

約数和(自身を除く): 397812118

約数列:

[1, 2, 239, 478, 653, 1306, 2503, 5006, 156067, 312134, 598217, 1196434, 1634459, 3268918, 390635701, 781271402]

約数ペア:

[(1, 781271402), (2, 390635701), (239, 3268918), (478, 1634459), (653, 1196434), (1306, 598217), (2503, 312134), (5006, 156067)]