203454724

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{420361}}^1$

素因数の和:420387

約数の個数: 18

約数和(自身を含む): 391357022

約数和(自身を除く): 187902298

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 420361, 840722, 1681444, 4623971, 9247942, 18495884, 50863681, 101727362, 203454724]

約数ペア:

[(1, 203454724), (2, 101727362), (4, 50863681), (11, 18495884), (22, 9247942), (44, 4623971), (121, 1681444), (242, 840722), (484, 420361)]