2018689897

素因数分解:

$7^2\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{11447}}^1$

素因数の和:11581

約数の個数: 24

約数和(自身を含む): 2427433920

約数和(自身を除く): 408744023

約数列:

[1, 7, 49, 59, 61, 413, 427, 2891, 2989, 3599, 11447, 25193, 80129, 176351, 560903, 675373, 698267, 4727611, 4887869, 33093277, 34215083, 41197753, 288384271, 2018689897]

約数ペア:

[(1, 2018689897), (7, 288384271), (49, 41197753), (59, 34215083), (61, 33093277), (413, 4887869), (427, 4727611), (2891, 698267), (2989, 675373), (3599, 560903), (11447, 176351), (25193, 80129)]