2778272

素因数分解:

$2^5\times 7^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 48

約数和(自身を含む): 6370560

約数和(自身を除く): 3592288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 79, 112, 157, 158, 224, 314, 316, 553, 628, 632, 1099, 1106, 1256, 1264, 2198, 2212, 2512, 2528, 4396, 4424, 5024, 8792, 8848, 12403, 17584, 17696, 24806, 35168, 49612, 86821, 99224, 173642, 198448, 347284, 396896, 694568, 1389136, 2778272]

約数ペア:

[(1, 2778272), (2, 1389136), (4, 694568), (7, 396896), (8, 347284), (14, 198448), (16, 173642), (28, 99224), (32, 86821), (56, 49612), (79, 35168), (112, 24806), (157, 17696), (158, 17584), (224, 12403), (314, 8848), (316, 8792), (553, 5024), (628, 4424), (632, 4396), (1099, 2528), (1106, 2512), (1256, 2212), (1264, 2198)]