2001991678

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{183299}}^1$

素因数の和:183471

約数の個数: 16

約数和(自身を含む): 3097036800

約数和(自身を除く): 1095045122

約数列:

[1, 2, 43, 86, 127, 254, 5461, 10922, 183299, 366598, 7881857, 15763714, 23278973, 46557946, 1000995839, 2001991678]

約数ペア:

[(1, 2001991678), (2, 1000995839), (43, 46557946), (86, 23278973), (127, 15763714), (254, 7881857), (5461, 366598), (10922, 183299)]