66995318

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 110812800

約数和(自身を除く): 43817482

約数列:

[1, 2, 13, 26, 79, 158, 169, 193, 338, 386, 1027, 2054, 2197, 2509, 4394, 5018, 13351, 15247, 26702, 30494, 32617, 65234, 173563, 198211, 347126, 396422, 424021, 848042, 2576743, 5153486, 33497659, 66995318]

約数ペア:

[(1, 66995318), (2, 33497659), (13, 5153486), (26, 2576743), (79, 848042), (158, 424021), (169, 396422), (193, 347126), (338, 198211), (386, 173563), (1027, 65234), (2054, 32617), (2197, 30494), (2509, 26702), (4394, 15247), (5018, 13351)]