39640402

素因数分解:

$2^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1\times {\mathrm{727}}^1$

素因数の和:1065

約数の個数: 16

約数和(自身を含む): 60278400

約数和(自身を除く): 20637998

約数列:

[1, 2, 137, 199, 274, 398, 727, 1454, 27263, 54526, 99599, 144673, 199198, 289346, 19820201, 39640402]

約数ペア:

[(1, 39640402), (2, 19820201), (137, 289346), (199, 199198), (274, 144673), (398, 99599), (727, 54526), (1454, 27263)]