211322815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{3023}}^1$

素因数の和:3111

約数の個数: 32

約数和(自身を含む): 292626432

約数和(自身を除く): 81303617

約数列:

[1, 5, 11, 31, 41, 55, 155, 205, 341, 451, 1271, 1705, 2255, 3023, 6355, 13981, 15115, 33253, 69905, 93713, 123943, 166265, 468565, 619715, 1030843, 1363373, 3842233, 5154215, 6816865, 19211165, 42264563, 211322815]

約数ペア:

[(1, 211322815), (5, 42264563), (11, 19211165), (31, 6816865), (41, 5154215), (55, 3842233), (155, 1363373), (205, 1030843), (341, 619715), (451, 468565), (1271, 166265), (1705, 123943), (2255, 93713), (3023, 69905), (6355, 33253), (13981, 15115)]