640403454

素因数分解:

$2^1\times 3^1\times {\mathrm{2399}}^1\times {\mathrm{44491}}^1$

素因数の和:46895

約数の個数: 16

約数和(自身を含む): 1281369600

約数和(自身を除く): 640966146

約数列:

[1, 2, 3, 6, 2399, 4798, 7197, 14394, 44491, 88982, 133473, 266946, 106733909, 213467818, 320201727, 640403454]

約数ペア:

[(1, 640403454), (2, 320201727), (3, 213467818), (6, 106733909), (2399, 266946), (4798, 133473), (7197, 88982), (14394, 44491)]