131404208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{631751}}^1$

素因数の和:631772

約数の個数: 20

約数和(自身を含む): 274180368

約数和(自身を除く): 142776160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 631751, 1263502, 2527004, 5054008, 8212763, 10108016, 16425526, 32851052, 65702104, 131404208]

約数ペア:

[(1, 131404208), (2, 65702104), (4, 32851052), (8, 16425526), (13, 10108016), (16, 8212763), (26, 5054008), (52, 2527004), (104, 1263502), (208, 631751)]