138601424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{666353}}^1$

素因数の和:666374

約数の個数: 20

約数和(自身を含む): 289197636

約数和(自身を除く): 150596212

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 666353, 1332706, 2665412, 5330824, 8662589, 10661648, 17325178, 34650356, 69300712, 138601424]

約数ペア:

[(1, 138601424), (2, 69300712), (4, 34650356), (8, 17325178), (13, 10661648), (16, 8662589), (26, 5330824), (52, 2665412), (104, 1332706), (208, 666353)]