218794906

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{432401}}^1$

素因数の和:432437

約数の個数: 16

約数和(自身を含む): 373595328

約数和(自身を除く): 154800422

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 432401, 864802, 4756411, 9512822, 9945223, 19890446, 109397453, 218794906]

約数ペア:

[(1, 218794906), (2, 109397453), (11, 19890446), (22, 9945223), (23, 9512822), (46, 4756411), (253, 864802), (506, 432401)]