489211058

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{9677}}^1$

素因数の和:9866

約数の個数: 32

約数和(自身を含む): 880775424

約数和(自身を除く): 391564366

約数列:

[1, 2, 7, 14, 23, 46, 157, 161, 314, 322, 1099, 2198, 3611, 7222, 9677, 19354, 25277, 50554, 67739, 135478, 222571, 445142, 1519289, 1557997, 3038578, 3115994, 10635023, 21270046, 34943647, 69887294, 244605529, 489211058]

約数ペア:

[(1, 489211058), (2, 244605529), (7, 69887294), (14, 34943647), (23, 21270046), (46, 10635023), (157, 3115994), (161, 3038578), (314, 1557997), (322, 1519289), (1099, 445142), (2198, 222571), (3611, 135478), (7222, 67739), (9677, 50554), (19354, 25277)]