9918896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1173

約数の個数: 40

約数和(自身を含む): 21196560

約数和(自身を除く): 11277664

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1109, 1118, 2218, 2236, 4436, 4472, 8872, 8944, 14417, 17744, 28834, 47687, 57668, 95374, 115336, 190748, 230672, 381496, 619931, 762992, 1239862, 2479724, 4959448, 9918896]

約数ペア:

[(1, 9918896), (2, 4959448), (4, 2479724), (8, 1239862), (13, 762992), (16, 619931), (26, 381496), (43, 230672), (52, 190748), (86, 115336), (104, 95374), (172, 57668), (208, 47687), (344, 28834), (559, 17744), (688, 14417), (1109, 8944), (1118, 8872), (2218, 4472), (2236, 4436)]