388655254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{2153}}^1$

素因数の和:2352

約数の個数: 32

約数和(自身を含む): 644855904

約数和(自身を除く): 256200650

約数列:

[1, 2, 13, 26, 53, 106, 131, 262, 689, 1378, 1703, 2153, 3406, 4306, 6943, 13886, 27989, 55978, 90259, 114109, 180518, 228218, 282043, 564086, 1483417, 2966834, 3666559, 7333118, 14948279, 29896558, 194327627, 388655254]

約数ペア:

[(1, 388655254), (2, 194327627), (13, 29896558), (26, 14948279), (53, 7333118), (106, 3666559), (131, 2966834), (262, 1483417), (689, 564086), (1378, 282043), (1703, 228218), (2153, 180518), (3406, 114109), (4306, 90259), (6943, 55978), (13886, 27989)]