212213256

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{205633}}^1$

素因数の和:205685

約数の個数: 32

約数和(自身を含む): 542873760

約数和(自身を除く): 330660504

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 516, 1032, 205633, 411266, 616899, 822532, 1233798, 1645064, 2467596, 4935192, 8842219, 17684438, 26526657, 35368876, 53053314, 70737752, 106106628, 212213256]

約数ペア:

[(1, 212213256), (2, 106106628), (3, 70737752), (4, 53053314), (6, 35368876), (8, 26526657), (12, 17684438), (24, 8842219), (43, 4935192), (86, 2467596), (129, 1645064), (172, 1233798), (258, 822532), (344, 616899), (516, 411266), (1032, 205633)]