28971838

素因数分解:

$2^1\times 7^3\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 51192000

約数和(自身を除く): 22220162

約数列:

[1, 2, 7, 14, 49, 98, 157, 269, 314, 343, 538, 686, 1099, 1883, 2198, 3766, 7693, 13181, 15386, 26362, 42233, 53851, 84466, 92267, 107702, 184534, 295631, 591262, 2069417, 4138834, 14485919, 28971838]

約数ペア:

[(1, 28971838), (2, 14485919), (7, 4138834), (14, 2069417), (49, 591262), (98, 295631), (157, 184534), (269, 107702), (314, 92267), (343, 84466), (538, 53851), (686, 42233), (1099, 26362), (1883, 15386), (2198, 13181), (3766, 7693)]