6420579.00000000

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{681971}}^1$

素因数の和:681990

約数の個数: 16

約数和(自身を含む): 143214120

約数和(自身を除く): 72289136

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 681971, 1363942, 2727884, 5455768, 8865623, 17731246, 35462492, 70924984]

約数ペア:

[(1, 70924984), (2, 35462492), (4, 17731246), (8, 8865623), (13, 5455768), (26, 2727884), (52, 1363942), (104, 681971)]