128637848

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{2633}}^1$

素因数の和:2867

約数の個数: 32

約数和(自身を含む): 250335360

約数和(自身を除く): 121697512

約数列:

[1, 2, 4, 8, 31, 62, 124, 197, 248, 394, 788, 1576, 2633, 5266, 6107, 10532, 12214, 21064, 24428, 48856, 81623, 163246, 326492, 518701, 652984, 1037402, 2074804, 4149608, 16079731, 32159462, 64318924, 128637848]

約数ペア:

[(1, 128637848), (2, 64318924), (4, 32159462), (8, 16079731), (31, 4149608), (62, 2074804), (124, 1037402), (197, 652984), (248, 518701), (394, 326492), (788, 163246), (1576, 81623), (2633, 48856), (5266, 24428), (6107, 21064), (10532, 12214)]