1388397712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{66089}}^1$

素因数の和:66211

約数の個数: 40

約数和(自身を含む): 2925672120

約数和(自身を除く): 1537274408

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 101, 104, 202, 208, 404, 808, 1313, 1616, 2626, 5252, 10504, 21008, 66089, 132178, 264356, 528712, 859157, 1057424, 1718314, 3436628, 6674989, 6873256, 13349978, 13746512, 26699956, 53399912, 86774857, 106799824, 173549714, 347099428, 694198856, 1388397712]

約数ペア:

[(1, 1388397712), (2, 694198856), (4, 347099428), (8, 173549714), (13, 106799824), (16, 86774857), (26, 53399912), (52, 26699956), (101, 13746512), (104, 13349978), (202, 6873256), (208, 6674989), (404, 3436628), (808, 1718314), (1313, 1057424), (1616, 859157), (2626, 528712), (5252, 264356), (10504, 132178), (21008, 66089)]