208989416

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{241}}^1\times {\mathrm{1777}}^1$

素因数の和:2085

約数の個数: 32

約数和(自身を含む): 400156680

約数和(自身を除く): 191167264

約数列:

[1, 2, 4, 8, 61, 122, 241, 244, 482, 488, 964, 1777, 1928, 3554, 7108, 14216, 14701, 29402, 58804, 108397, 117608, 216794, 428257, 433588, 856514, 867176, 1713028, 3426056, 26123677, 52247354, 104494708, 208989416]

約数ペア:

[(1, 208989416), (2, 104494708), (4, 52247354), (8, 26123677), (61, 3426056), (122, 1713028), (241, 867176), (244, 856514), (482, 433588), (488, 428257), (964, 216794), (1777, 117608), (1928, 108397), (3554, 58804), (7108, 29402), (14216, 14701)]