128173216

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{463}}^1$

素因数の和:725

約数の個数: 48

約数和(自身を含む): 260281728

約数和(自身を除く): 132108512

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 211, 328, 422, 463, 656, 844, 926, 1312, 1688, 1852, 3376, 3704, 6752, 7408, 8651, 14816, 17302, 18983, 34604, 37966, 69208, 75932, 97693, 138416, 151864, 195386, 276832, 303728, 390772, 607456, 781544, 1563088, 3126176, 4005413, 8010826, 16021652, 32043304, 64086608, 128173216]

約数ペア:

[(1, 128173216), (2, 64086608), (4, 32043304), (8, 16021652), (16, 8010826), (32, 4005413), (41, 3126176), (82, 1563088), (164, 781544), (211, 607456), (328, 390772), (422, 303728), (463, 276832), (656, 195386), (844, 151864), (926, 138416), (1312, 97693), (1688, 75932), (1852, 69208), (3376, 37966), (3704, 34604), (6752, 18983), (7408, 17302), (8651, 14816)]