400057658

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28547}}^1$

素因数の和:28587

約数の個数: 48

約数和(自身を含む): 820126944

約数和(自身を除く): 420069286

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 143, 154, 182, 286, 539, 637, 1001, 1078, 1274, 2002, 7007, 14014, 28547, 57094, 199829, 314017, 371111, 399658, 628034, 742222, 1398803, 2198119, 2597777, 2797606, 4082221, 4396238, 5195554, 8164442, 15386833, 18184439, 28575547, 30773666, 36368878, 57151094, 200028829, 400057658]

約数ペア:

[(1, 400057658), (2, 200028829), (7, 57151094), (11, 36368878), (13, 30773666), (14, 28575547), (22, 18184439), (26, 15386833), (49, 8164442), (77, 5195554), (91, 4396238), (98, 4082221), (143, 2797606), (154, 2597777), (182, 2198119), (286, 1398803), (539, 742222), (637, 628034), (1001, 399658), (1078, 371111), (1274, 314017), (2002, 199829), (7007, 57094), (14014, 28547)]