219615448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{49109}}^1$

素因数の和:49171

約数の個数: 32

約数和(自身を含む): 453776400

約数和(自身を除く): 234160952

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 49109, 98218, 196436, 392872, 638417, 1276834, 2111687, 2553668, 4223374, 5107336, 8446748, 16893496, 27451931, 54903862, 109807724, 219615448]

約数ペア:

[(1, 219615448), (2, 109807724), (4, 54903862), (8, 27451931), (13, 16893496), (26, 8446748), (43, 5107336), (52, 4223374), (86, 2553668), (104, 2111687), (172, 1276834), (344, 638417), (559, 392872), (1118, 196436), (2236, 98218), (4472, 49109)]