397828156

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43261}}^1$

素因数の和:43306

約数の個数: 36

約数和(自身を含む): 805538440

約数和(自身を除く): 407710284

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 209, 242, 418, 484, 836, 2299, 4598, 9196, 43261, 86522, 173044, 475871, 821959, 951742, 1643918, 1903484, 3287836, 5234581, 9041549, 10469162, 18083098, 20938324, 36166196, 99457039, 198914078, 397828156]

約数ペア:

[(1, 397828156), (2, 198914078), (4, 99457039), (11, 36166196), (19, 20938324), (22, 18083098), (38, 10469162), (44, 9041549), (76, 5234581), (121, 3287836), (209, 1903484), (242, 1643918), (418, 951742), (484, 821959), (836, 475871), (2299, 173044), (4598, 86522), (9196, 43261)]