200812018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{172223}}^1$

素因数の和:172289

約数の個数: 16

約数和(自身を含む): 334803456

約数和(自身を除く): 133991438

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 172223, 344446, 1894453, 3788906, 9127819, 18255638, 100406009, 200812018]

約数ペア:

[(1, 200812018), (2, 100406009), (11, 18255638), (22, 9127819), (53, 3788906), (106, 1894453), (583, 344446), (1166, 172223)]