28980458

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{179}}^1\times {\mathrm{479}}^1$

素因数の和:686

約数の個数: 24

約数和(自身を含む): 47433600

約数和(自身を除く): 18453142

約数列:

[1, 2, 13, 26, 169, 179, 338, 358, 479, 958, 2327, 4654, 6227, 12454, 30251, 60502, 80951, 85741, 161902, 171482, 1114633, 2229266, 14490229, 28980458]

約数ペア:

[(1, 28980458), (2, 14490229), (13, 2229266), (26, 1114633), (169, 171482), (179, 161902), (338, 85741), (358, 80951), (479, 60502), (958, 30251), (2327, 12454), (4654, 6227)]