389969356

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1\times {\mathrm{443}}^1$

素因数の和:814

約数の個数: 48

約数和(自身を含む): 790675200

約数和(自身を除く): 400705844

約数列:

[1, 2, 4, 7, 14, 28, 149, 211, 298, 422, 443, 596, 844, 886, 1043, 1477, 1772, 2086, 2954, 3101, 4172, 5908, 6202, 12404, 31439, 62878, 66007, 93473, 125756, 132014, 186946, 220073, 264028, 373892, 440146, 462049, 654311, 880292, 924098, 1308622, 1848196, 2617244, 13927477, 27854954, 55709908, 97492339, 194984678, 389969356]

約数ペア:

[(1, 389969356), (2, 194984678), (4, 97492339), (7, 55709908), (14, 27854954), (28, 13927477), (149, 2617244), (211, 1848196), (298, 1308622), (422, 924098), (443, 880292), (596, 654311), (844, 462049), (886, 440146), (1043, 373892), (1477, 264028), (1772, 220073), (2086, 186946), (2954, 132014), (3101, 125756), (4172, 93473), (5908, 66007), (6202, 62878), (12404, 31439)]