291244198

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{7877}}^1$

素因数の和:8044

約数の個数: 32

約数和(自身を含む): 529401600

約数和(自身を除く): 238157402

約数列:

[1, 2, 7, 14, 19, 38, 133, 139, 266, 278, 973, 1946, 2641, 5282, 7877, 15754, 18487, 36974, 55139, 110278, 149663, 299326, 1047641, 1094903, 2095282, 2189806, 7664321, 15328642, 20803157, 41606314, 145622099, 291244198]

約数ペア:

[(1, 291244198), (2, 145622099), (7, 41606314), (14, 20803157), (19, 15328642), (38, 7664321), (133, 2189806), (139, 2095282), (266, 1094903), (278, 1047641), (973, 299326), (1946, 149663), (2641, 110278), (5282, 55139), (7877, 36974), (15754, 18487)]