72156884

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{439981}}^1$

素因数の和:440026

約数の個数: 12

約数和(自身を含む): 129354708

約数和(自身を除く): 57197824

約数列:

[1, 2, 4, 41, 82, 164, 439981, 879962, 1759924, 18039221, 36078442, 72156884]

約数ペア:

[(1, 72156884), (2, 36078442), (4, 18039221), (41, 1759924), (82, 879962), (164, 439981)]