2990728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:361

約数の個数: 32

約数和(自身を含む): 6111000

約数和(自身を除く): 3120272

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 149, 193, 298, 386, 596, 772, 1192, 1544, 1937, 2509, 3874, 5018, 7748, 10036, 15496, 20072, 28757, 57514, 115028, 230056, 373841, 747682, 1495364, 2990728]

約数ペア:

[(1, 2990728), (2, 1495364), (4, 747682), (8, 373841), (13, 230056), (26, 115028), (52, 57514), (104, 28757), (149, 20072), (193, 15496), (298, 10036), (386, 7748), (596, 5018), (772, 3874), (1192, 2509), (1544, 1937)]