628355517

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 920544768

約数和(自身を除く): 292189251

約数列:

[1, 3, 19, 43, 57, 103, 129, 131, 309, 361, 393, 817, 1083, 1957, 2451, 2489, 4429, 5633, 5871, 7467, 13287, 13493, 15523, 16899, 37183, 40479, 46569, 47291, 84151, 107027, 111549, 141873, 252453, 256367, 321081, 580199, 769101, 1598869, 1740597, 2033513, 4796607, 4870973, 6100539, 11023781, 14612919, 33071343, 209451839, 628355517]

約数ペア:

[(1, 628355517), (3, 209451839), (19, 33071343), (43, 14612919), (57, 11023781), (103, 6100539), (129, 4870973), (131, 4796607), (309, 2033513), (361, 1740597), (393, 1598869), (817, 769101), (1083, 580199), (1957, 321081), (2451, 256367), (2489, 252453), (4429, 141873), (5633, 111549), (5871, 107027), (7467, 84151), (13287, 47291), (13493, 46569), (15523, 40479), (16899, 37183)]