138456478

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{5569}}^1$

素因数の和:6003

約数の個数: 16

約数和(自身を含む): 214957440

約数和(自身を除く): 76500962

約数列:

[1, 2, 31, 62, 401, 802, 5569, 11138, 12431, 24862, 172639, 345278, 2233169, 4466338, 69228239, 138456478]

約数ペア:

[(1, 138456478), (2, 69228239), (31, 4466338), (62, 2233169), (401, 345278), (802, 172639), (5569, 24862), (11138, 12431)]