128580942

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2731}}^1$

素因数の和:2821

約数の個数: 64

約数和(自身を含む): 314726400

約数和(自身を除く): 186145458

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 59, 114, 118, 133, 177, 266, 354, 399, 413, 798, 826, 1121, 1239, 2242, 2478, 2731, 3363, 5462, 6726, 7847, 8193, 15694, 16386, 19117, 23541, 38234, 47082, 51889, 57351, 103778, 114702, 155667, 161129, 311334, 322258, 363223, 483387, 726446, 966774, 1089669, 1127903, 2179338, 2255806, 3061451, 3383709, 6122902, 6767418, 9184353, 18368706, 21430157, 42860314, 64290471, 128580942]

約数ペア:

[(1, 128580942), (2, 64290471), (3, 42860314), (6, 21430157), (7, 18368706), (14, 9184353), (19, 6767418), (21, 6122902), (38, 3383709), (42, 3061451), (57, 2255806), (59, 2179338), (114, 1127903), (118, 1089669), (133, 966774), (177, 726446), (266, 483387), (354, 363223), (399, 322258), (413, 311334), (798, 161129), (826, 155667), (1121, 114702), (1239, 103778), (2242, 57351), (2478, 51889), (2731, 47082), (3363, 38234), (5462, 23541), (6726, 19117), (7847, 16386), (8193, 15694)]