208891816

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{61151}}^1$

素因数の和:61225

約数の個数: 32

約数和(自身を含む): 454970880

約数和(自身を除く): 246079064

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 61151, 122302, 244604, 428057, 489208, 856114, 1712228, 3424456, 3730211, 7460422, 14920844, 26111477, 29841688, 52222954, 104445908, 208891816]

約数ペア:

[(1, 208891816), (2, 104445908), (4, 52222954), (7, 29841688), (8, 26111477), (14, 14920844), (28, 7460422), (56, 3730211), (61, 3424456), (122, 1712228), (244, 856114), (427, 489208), (488, 428057), (854, 244604), (1708, 122302), (3416, 61151)]