489729968

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{336353}}^1$

素因数の和:336381

約数の個数: 40

約数和(自身を含む): 1167821088

約数和(自身を除く): 678091120

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 336353, 672706, 1345412, 2354471, 2690824, 4372589, 4708942, 5381648, 8745178, 9417884, 17490356, 18835768, 30608123, 34980712, 37671536, 61216246, 69961424, 122432492, 244864984, 489729968]

約数ペア:

[(1, 489729968), (2, 244864984), (4, 122432492), (7, 69961424), (8, 61216246), (13, 37671536), (14, 34980712), (16, 30608123), (26, 18835768), (28, 17490356), (52, 9417884), (56, 8745178), (91, 5381648), (104, 4708942), (112, 4372589), (182, 2690824), (208, 2354471), (364, 1345412), (728, 672706), (1456, 336353)]