1389136

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 40

約数和(自身を含む): 3134720

約数和(自身を除く): 1745584

約数列:

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

約数ペア:

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