212741648

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{31139}}^1$

素因数の和:31215

約数の個数: 40

約数和(自身を含む): 478808640

約数和(自身を除く): 266066992

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 3416, 6832, 31139, 62278, 124556, 217973, 249112, 435946, 498224, 871892, 1743784, 1899479, 3487568, 3798958, 7597916, 13296353, 15195832, 26592706, 30391664, 53185412, 106370824, 212741648]

約数ペア:

[(1, 212741648), (2, 106370824), (4, 53185412), (7, 30391664), (8, 26592706), (14, 15195832), (16, 13296353), (28, 7597916), (56, 3798958), (61, 3487568), (112, 1899479), (122, 1743784), (244, 871892), (427, 498224), (488, 435946), (854, 249112), (976, 217973), (1708, 124556), (3416, 62278), (6832, 31139)]