491987522

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{78517}}^1$

素因数の和:78773

約数の個数: 16

約数和(自身を含む): 798056952

約数和(自身を除く): 306069430

約数列:

[1, 2, 13, 26, 241, 482, 3133, 6266, 78517, 157034, 1020721, 2041442, 18922597, 37845194, 245993761, 491987522]

約数ペア:

[(1, 491987522), (2, 245993761), (13, 37845194), (26, 18922597), (241, 2041442), (482, 1020721), (3133, 157034), (6266, 78517)]