2181923518

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{4139}}^1$

素因数の和:4380

約数の個数: 32

約数和(自身を含む): 3465180000

約数和(自身を除く): 1283256482

約数列:

[1, 2, 29, 58, 61, 122, 149, 298, 1769, 3538, 4139, 4321, 8278, 8642, 9089, 18178, 120031, 240062, 252479, 263581, 504958, 527162, 616711, 1233422, 7321891, 14643782, 17884619, 35769238, 37619371, 75238742, 1090961759, 2181923518]

約数ペア:

[(1, 2181923518), (2, 1090961759), (29, 75238742), (58, 37619371), (61, 35769238), (122, 17884619), (149, 14643782), (298, 7321891), (1769, 1233422), (3538, 616711), (4139, 527162), (4321, 504958), (8278, 263581), (8642, 252479), (9089, 240062), (18178, 120031)]