661902078

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{1239517}}^1$

素因数の和:1239611

約数の個数: 16

約数和(自身を含む): 1338679440

約数和(自身を除く): 676777362

約数列:

[1, 2, 3, 6, 89, 178, 267, 534, 1239517, 2479034, 3718551, 7437102, 110317013, 220634026, 330951039, 661902078]

約数ペア:

[(1, 661902078), (2, 330951039), (3, 220634026), (6, 110317013), (89, 7437102), (178, 3718551), (267, 2479034), (534, 1239517)]