521004890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{391733}}^1$

素因数の和:391766

約数の個数: 32

約数和(自身を含む): 1128193920

約数和(自身を除く): 607189030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 391733, 783466, 1958665, 2742131, 3917330, 5484262, 7442927, 13710655, 14885854, 27421310, 37214635, 52100489, 74429270, 104200978, 260502445, 521004890]

約数ペア:

[(1, 521004890), (2, 260502445), (5, 104200978), (7, 74429270), (10, 52100489), (14, 37214635), (19, 27421310), (35, 14885854), (38, 13710655), (70, 7442927), (95, 5484262), (133, 3917330), (190, 2742131), (266, 1958665), (665, 783466), (1330, 391733)]