129403784

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{1747}}^1$

素因数の和:1997

約数の個数: 32

約数和(自身を含む): 249194880

約数和(自身を除く): 119791096

約数列:

[1, 2, 4, 8, 47, 94, 188, 197, 376, 394, 788, 1576, 1747, 3494, 6988, 9259, 13976, 18518, 37036, 74072, 82109, 164218, 328436, 344159, 656872, 688318, 1376636, 2753272, 16175473, 32350946, 64701892, 129403784]

約数ペア:

[(1, 129403784), (2, 64701892), (4, 32350946), (8, 16175473), (47, 2753272), (94, 1376636), (188, 688318), (197, 656872), (376, 344159), (394, 328436), (788, 164218), (1576, 82109), (1747, 74072), (3494, 37036), (6988, 18518), (9259, 13976)]