201624478

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{421}}^1\times {\mathrm{1979}}^1$

素因数の和:2424

約数の個数: 24

約数和(自身を含む): 333388440

約数和(自身を除く): 131763962

約数列:

[1, 2, 11, 22, 121, 242, 421, 842, 1979, 3958, 4631, 9262, 21769, 43538, 50941, 101882, 239459, 478918, 833159, 1666318, 9164749, 18329498, 100812239, 201624478]

約数ペア:

[(1, 201624478), (2, 100812239), (11, 18329498), (22, 9164749), (121, 1666318), (242, 833159), (421, 478918), (842, 239459), (1979, 101882), (3958, 50941), (4631, 43538), (9262, 21769)]