128280984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{411157}}^1$

素因数の和:411179

約数の個数: 32

約数和(自身を含む): 345372720

約数和(自身を除く): 217091736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 411157, 822314, 1233471, 1644628, 2466942, 3289256, 4933884, 5345041, 9867768, 10690082, 16035123, 21380164, 32070246, 42760328, 64140492, 128280984]

約数ペア:

[(1, 128280984), (2, 64140492), (3, 42760328), (4, 32070246), (6, 21380164), (8, 16035123), (12, 10690082), (13, 9867768), (24, 5345041), (26, 4933884), (39, 3289256), (52, 2466942), (78, 1644628), (104, 1233471), (156, 822314), (312, 411157)]