3978208

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 8615376

約数和(自身を除く): 4637168

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 73, 104, 131, 146, 208, 262, 292, 416, 524, 584, 949, 1048, 1168, 1703, 1898, 2096, 2336, 3406, 3796, 4192, 6812, 7592, 9563, 13624, 15184, 19126, 27248, 30368, 38252, 54496, 76504, 124319, 153008, 248638, 306016, 497276, 994552, 1989104, 3978208]

約数ペア:

[(1, 3978208), (2, 1989104), (4, 994552), (8, 497276), (13, 306016), (16, 248638), (26, 153008), (32, 124319), (52, 76504), (73, 54496), (104, 38252), (131, 30368), (146, 27248), (208, 19126), (262, 15184), (292, 13624), (416, 9563), (524, 7592), (584, 6812), (949, 4192), (1048, 3796), (1168, 3406), (1703, 2336), (1898, 2096)]