31081918

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{179}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 54604800

約数和(自身を除く): 23522882

約数列:

[1, 2, 7, 14, 79, 157, 158, 179, 314, 358, 553, 1099, 1106, 1253, 2198, 2506, 12403, 14141, 24806, 28103, 28282, 56206, 86821, 98987, 173642, 196721, 197974, 393442, 2220137, 4440274, 15540959, 31081918]

約数ペア:

[(1, 31081918), (2, 15540959), (7, 4440274), (14, 2220137), (79, 393442), (157, 197974), (158, 196721), (179, 173642), (314, 98987), (358, 86821), (553, 56206), (1099, 28282), (1106, 28103), (1253, 24806), (2198, 14141), (2506, 12403)]