213885028

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{186311}}^1$

素因数の和:186363

約数の個数: 24

約数和(自身を含む): 438205824

約数和(自身を除く): 224320796

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 186311, 372622, 745244, 1304177, 2608354, 5216708, 7638751, 15277502, 30555004, 53471257, 106942514, 213885028]

約数ペア:

[(1, 213885028), (2, 106942514), (4, 53471257), (7, 30555004), (14, 15277502), (28, 7638751), (41, 5216708), (82, 2608354), (164, 1304177), (287, 745244), (574, 372622), (1148, 186311)]