255354946

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:679

約数の個数: 64

約数和(自身を含む): 506373120

約数和(自身を除く): 251018174

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 133, 154, 197, 209, 266, 394, 418, 443, 886, 1379, 1463, 2167, 2758, 2926, 3101, 3743, 4334, 4873, 6202, 7486, 8417, 9746, 15169, 16834, 26201, 30338, 34111, 41173, 52402, 58919, 68222, 82346, 87271, 92587, 117838, 174542, 185174, 288211, 576422, 610897, 648109, 959981, 1221794, 1296218, 1658149, 1919962, 3316298, 6719867, 11607043, 13439734, 18239639, 23214086, 36479278, 127677473, 255354946]

約数ペア:

[(1, 255354946), (2, 127677473), (7, 36479278), (11, 23214086), (14, 18239639), (19, 13439734), (22, 11607043), (38, 6719867), (77, 3316298), (133, 1919962), (154, 1658149), (197, 1296218), (209, 1221794), (266, 959981), (394, 648109), (418, 610897), (443, 576422), (886, 288211), (1379, 185174), (1463, 174542), (2167, 117838), (2758, 92587), (2926, 87271), (3101, 82346), (3743, 68222), (4334, 58919), (4873, 52402), (6202, 41173), (7486, 34111), (8417, 30338), (9746, 26201), (15169, 16834)]