128085716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 251741952

約数和(自身を除く): 123656236

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 188, 241, 257, 482, 514, 517, 964, 1028, 1034, 2068, 2651, 2827, 5302, 5654, 10604, 11308, 11327, 12079, 22654, 24158, 45308, 48316, 61937, 123874, 124597, 132869, 247748, 249194, 265738, 498388, 531476, 681307, 1362614, 2725228, 2911039, 5822078, 11644156, 32021429, 64042858, 128085716]

約数ペア:

[(1, 128085716), (2, 64042858), (4, 32021429), (11, 11644156), (22, 5822078), (44, 2911039), (47, 2725228), (94, 1362614), (188, 681307), (241, 531476), (257, 498388), (482, 265738), (514, 249194), (517, 247748), (964, 132869), (1028, 124597), (1034, 123874), (2068, 61937), (2651, 48316), (2827, 45308), (5302, 24158), (5654, 22654), (10604, 12079), (11308, 11327)]