678774512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{105269}}^1$

素因数の和:105321

約数の個数: 40

約数和(自身を含む): 1461989760

約数和(自身を除く): 783215248

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 105269, 210538, 421076, 842152, 1368497, 1684304, 2736994, 3263339, 5473988, 6526678, 10947976, 13053356, 21895952, 26106712, 42423407, 52213424, 84846814, 169693628, 339387256, 678774512]

約数ペア:

[(1, 678774512), (2, 339387256), (4, 169693628), (8, 84846814), (13, 52213424), (16, 42423407), (26, 26106712), (31, 21895952), (52, 13053356), (62, 10947976), (104, 6526678), (124, 5473988), (208, 3263339), (248, 2736994), (403, 1684304), (496, 1368497), (806, 842152), (1612, 421076), (3224, 210538), (6448, 105269)]